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201
XiaokaiZhang_2023-03-12
Geometry3k-203
1
如图所示,∠EHC=35°,∠GCH=28°,∠HDF=25°,∠HFG=51°,CE⊥HE,FG⊥HG,HC⊥AC。求∠GHF的大小。
As shown in the diagram, ∠EHC=35°, ∠GCH=28°, ∠HDF=25°, ∠HFG=51°, CE⊥HE, FG⊥HG, HC is perpendicular to AC. Find the measure of ∠GHF.
201.png
[ "Shape(HD,DF,FH)", "Shape(HF,FG,GH)", "Shape(HG,GC,CH)", "Shape(HC,CE,EH)", "Shape(EC,CA,AE)", "Collinear(DFGC)", "Collinear(HEA)" ]
[ "Equal(MeasureOfAngle(EHC),35)", "Equal(MeasureOfAngle(GCH),28)", "Equal(MeasureOfAngle(HDF),25)", "Equal(MeasureOfAngle(HFG),51)", "PerpendicularBetweenLine(CE,HE)", "PerpendicularBetweenLine(FG,HG)", "PerpendicularBetweenLine(HC,AC)" ]
[ "Equal(MeasureOfAngle(EHC),35)", "Equal(MeasureOfAngle(GCH),28)", "Equal(MeasureOfAngle(HDF),25)", "Equal(MeasureOfAngle(HFG),51)", "PerpendicularBetweenLine(CE,HE)", "PerpendicularBetweenLine(FG,HG)", "PerpendicularBetweenLine(HC,AC)" ]
Value(MeasureOfAngle(GHF))
39
[ "triangle_property_angle_sum(1,HFG)" ]
{"START": ["triangle_property_angle_sum(1,HFG)"]}
202
XiaokaiZhang_2023-04-02
Geometry3k-204
3
如图所示,∠ADE=43°,AD平行于BC,DC∥AB。求∠ABC的大小。
As shown in the diagram, ∠ADE=43°, AD is parallel to BC, DC∥AB. Find the measure of ∠ABC.
202.png
[ "Shape(AB,BC,CD,DA)", "Shape(AD,DE)", "Collinear(EDC)" ]
[ "Equal(MeasureOfAngle(ADE),43)", "ParallelBetweenLine(AD,BC)", "ParallelBetweenLine(DC,AB)" ]
[ "ParallelBetweenLine(AD,BC)", "ParallelBetweenLine(DC,AB)" ]
Value(MeasureOfAngle(ABC))
137
[ "adjacent_complementary_angle(1,CDA,ADE)", "parallelogram_judgment_parallel_and_parallel(1,ABCD)", "parallelogram_property_opposite_angle_equal(1,BCDA)" ]
{"START": ["adjacent_complementary_angle(1,CDA,ADE)", "parallelogram_judgment_parallel_and_parallel(1,ABCD)"], "parallelogram_judgment_parallel_and_parallel(1,ABCD)": ["parallelogram_property_opposite_angle_equal(1,BCDA)"]}
203
XiaokaiZhang_2023-03-12
Geometry3k-205
3
如图所示,∠BDE=35°,∠CAE=28°,∠EBD=75°。求∠BEA的大小。
As shown in the diagram, ∠BDE=35°, ∠CAE=28°, ∠EBD=75°. Find the measure of ∠BEA.
203.png
[ "Shape(BD,DE,EB)", "Shape(EC,CA,AE)", "Shape(BE,EA)", "Shape(CE,ED)", "Collinear(DEA)", "Collinear(BEC)" ]
[ "Equal(MeasureOfAngle(BDE),35)", "Equal(MeasureOfAngle(CAE),28)", "Equal(MeasureOfAngle(EBD),75)" ]
[ "Equal(MeasureOfAngle(BDE),35)", "Equal(MeasureOfAngle(CAE),28)", "Equal(MeasureOfAngle(EBD),75)" ]
Value(MeasureOfAngle(BEA))
110
[ "angle_addition(1,DEB,BEA)", "triangle_property_angle_sum(1,BDE)", "flat_angle(1,DEA)" ]
{"START": ["angle_addition(1,DEB,BEA)", "triangle_property_angle_sum(1,BDE)", "flat_angle(1,DEA)"]}
204
XiaokaiZhang_2023-04-02
Geometry3k-206
2
如图所示,∠ABE=32°。求∠EDC的大小。
As shown in the diagram, ∠ABE=32°. Find the measure of ∠EDC.
204.png
[ "Shape(HCA,AE,EC)", "Shape(HAB,BA)", "Shape(HBD,DE,EB)", "Shape(HDC,CD)", "Shape(EA,AB,BE)", "Shape(ED,DC,CE)", "Collinear(AED)", "Collinear(CEB)", "Cocircular(H,ABDC)" ]
[ "Equal(MeasureOfAngle(ABE),32)" ]
[ "Equal(MeasureOfAngle(ABE),32)" ]
Value(MeasureOfAngle(EDC))
32
[ "arc_property_circumference_angle_external(1,HCA,D)", "arc_property_circumference_angle_external(1,HCA,B)" ]
{"START": ["arc_property_circumference_angle_external(1,HCA,D)", "arc_property_circumference_angle_external(1,HCA,B)"]}
205
XiaokaiZhang_2023-04-02
Geometry3k-207
4
如图所示,AB=3,AC=5,AE=y,BE=x,CD=7/2,DE=3,EB平行于DC。求直线BE的长度。
As shown in the diagram, AB=3, AC=5, AE=y, BE=x, CD=7/2, DE=3, EB∥DC. Find the length of line BE.
205.png
[ "Shape(BA,AE,EB)", "Shape(BE,ED,DC,CB)", "Collinear(ABC)", "Collinear(AED)" ]
[ "Equal(LengthOfLine(AB),3)", "Equal(LengthOfLine(AC),5)", "Equal(LengthOfLine(AE),y)", "Equal(LengthOfLine(BE),x)", "Equal(LengthOfLine(CD),7/2)", "Equal(LengthOfLine(DE),3)", "ParallelBetweenLine(EB,DC)" ]
[ "Equal(LengthOfLine(AB),3)", "Equal(LengthOfLine(AC),5)", "Equal(LengthOfLine(AE),y)", "Equal(LengthOfLine(BE),x)", "Equal(LengthOfLine(CD),7/2)", "Equal(LengthOfLine(DE),3)", "ParallelBetweenLine(EB,DC)" ]
Value(LengthOfLine(BE))
21/10
[ "parallel_property_corresponding_angle(1,EB,DC,A)", "similar_triangle_judgment_aa(1,BAE,CAD)", "similar_triangle_property_line_ratio(1,EBA,DCA)", "similar_triangle_property_line_ratio(1,AEB,ADC)" ]
{"START": ["parallel_property_corresponding_angle(1,EB,DC,A)"], "parallel_property_corresponding_angle(1,EB,DC,A)": ["similar_triangle_judgment_aa(1,BAE,CAD)"], "similar_triangle_judgment_aa(1,BAE,CAD)": ["similar_triangle_property_line_ratio(1,AEB,ADC)", "similar_triangle_property_line_ratio(1,EBA,DCA)"]}
206
XiaokaiZhang_2023-04-02
Geometry3k-208
3
如图所示,CE=ED,EC=6,EF=5,FE=EA,CFDA是菱形。求四边形CFDA的面积。
As shown in the diagram, CE=ED, EC=6, EF=5, FE=EA, quadrilateral CFDA is a rhombus. Find the area of CFDA.
206.png
[ "Shape(CF,FE,EC)", "Shape(EF,FD,DE)", "Shape(ED,DA,AE)", "Shape(CE,EA,AC)", "Collinear(FEA)", "Collinear(CED)" ]
[ "Equal(LengthOfLine(CE),LengthOfLine(ED))", "Equal(LengthOfLine(EC),6)", "Equal(LengthOfLine(EF),5)", "Equal(LengthOfLine(FE),LengthOfLine(EA))", "Rhombus(CFDA)" ]
[ "Equal(LengthOfLine(CE),LengthOfLine(ED))", "Equal(LengthOfLine(EC),6)", "Equal(LengthOfLine(EF),5)", "Equal(LengthOfLine(FE),LengthOfLine(EA))" ]
Value(AreaOfQuadrilateral(CFDA))
60
[ "line_addition(1,FE,EA)", "line_addition(1,CE,ED)", "kite_area_formula_diagonal(1,CFDA)" ]
{"START": ["line_addition(1,FE,EA)", "line_addition(1,CE,ED)", "kite_area_formula_diagonal(1,CFDA)"]}
207
XiaokaiZhang_2023-04-02
Geometry3k-209
2
如图所示,AC=16,CD=23,∠BDE=60°,BA和DC是平行四边形BDCA的一组对边,DE⊥BE。求BDCA的面积。
As shown in the diagram, AC=16, CD=23, ∠BDE=60°, quadrilateral BDCA is a parallelogram, DE is perpendicular to BE. Find the area of quadrilateral BDCA.
207.png
[ "Shape(BD,DE,EB)", "Shape(BE,EC,CA,AB)", "Collinear(DEC)" ]
[ "Equal(LengthOfLine(AC),16)", "Equal(LengthOfLine(CD),23)", "Equal(MeasureOfAngle(BDE),60)", "Parallelogram(BDCA)", "PerpendicularBetweenLine(DE,BE)" ]
[ "Equal(LengthOfLine(AC),16)", "Equal(LengthOfLine(CD),23)", "Equal(MeasureOfAngle(BDE),60)", "PerpendicularBetweenLine(DE,BE)" ]
Value(AreaOfQuadrilateral(BDCA))
184*sqrt(3)
[ "parallelogram_property_opposite_line_equal(1,BDCA)", "parallelogram_area_formula_sine(1,BDCA)" ]
{"START": ["parallelogram_property_opposite_line_equal(1,BDCA)", "parallelogram_area_formula_sine(1,BDCA)"]}
208
XiaokaiZhang_2023-04-02
Geometry3k-210
4
如图所示,LM=MN,∠BNM=2*x-5°,B是⊙B的圆心,NL是⊙B的直径。求x的值。
As shown in the diagram, LM=MN, ∠BNM=2*x-5°, the center of circle B is B, the diameter of ⊙B is NL. Find the value of x.
208.png
[ "Shape(BML,LM)", "Shape(BLN,NB,BL)", "Shape(ML,LB,BN,NM)", "Shape(BNM,MN)", "Collinear(LBN)", "Cocircular(B,LNM)" ]
[ "Equal(LengthOfLine(LM),LengthOfLine(MN))", "Equal(MeasureOfAngle(BNM),2*x-5)", "IsCentreOfCircle(B,B)", "IsDiameterOfCircle(NL,B)" ]
[ "Equal(LengthOfLine(LM),LengthOfLine(MN))", "Equal(MeasureOfAngle(BNM),2*x-5)", "IsCentreOfCircle(B,B)", "IsDiameterOfCircle(NL,B)" ]
Value(x)
25
[ "isosceles_triangle_judgment_line_equal(1,MLN)", "isosceles_triangle_property_angle_equal(1,MLN)", "diameter_of_circle_property_right_angle(1,NML,B)", "triangle_property_angle_sum(1,MLN)" ]
{"START": ["isosceles_triangle_judgment_line_equal(1,MLN)", "diameter_of_circle_property_right_angle(1,NML,B)", "triangle_property_angle_sum(1,MLN)"], "isosceles_triangle_judgment_line_equal(1,MLN)": ["isosceles_triangle_property_angle_equal(1,MLN)"]}
209
XiaokaiZhang_2023-03-12
Geometry3k-211
3
如图所示,∠WXH=130°,∠YZI=20°,Mul(LengthOfLine(IJ)=LengthOfLine(YJ))。求∠HIJ的大小。
As shown in the diagram, ∠WXH=130°, ∠YZI=20°, Mul(LengthOfLine(IJ)=LengthOfLine(YJ)). Find the measure of ∠HIJ.
209.png
[ "Shape(JH,HI,IJ)", "Shape(HX,XY,YI,IH)", "Shape(IY,YZ,ZI)", "Shape(WX,XH)", "Collinear(WXYZ)", "Collinear(JHX)", "Collinear(JIY)", "Collinear(HIZ)" ]
[ "Equal(MeasureOfAngle(WXH),130)", "Equal(MeasureOfAngle(YZI),20)", "Equal(Mul(LengthOfLine(IJ),LengthOfLine(YJ)),Mul(LengthOfLine(HJ),LengthOfLine(XJ)))" ]
[]
Value(MeasureOfAngle(HIJ))
50
[ "adjacent_complementary_angle(1,WXH,HXY)", "mirror_similar_triangle_judgment_sas(1,JHI,JXY)", "mirror_similar_triangle_property_angle_equal(1,IJH,XYJ)" ]
{"START": ["adjacent_complementary_angle(1,WXH,HXY)", "mirror_similar_triangle_judgment_sas(1,JHI,JXY)"], "mirror_similar_triangle_judgment_sas(1,JHI,JXY)": ["mirror_similar_triangle_property_angle_equal(1,IJH,XYJ)"]}
210
XiaokaiZhang_2023-03-12
Geometry3k-212
1
如图所示,∠BVC=52°,∠VCB=6*x+14*y°,∠ZXY=15*x-8*y°,∠ZXY=∠BVC,CB垂直于VB,XY⊥ZY。求y的值。
As shown in the diagram, ∠BVC=52°, ∠VCB=6*x+14*y°, ∠ZXY=15*x-8*y°, ∠ZXY=∠BVC, CB⊥VB, XY⊥ZY. Find the value of y.
210.png
[ "Shape(XY,YZ,ZX)", "Shape(VC,CB,BV)" ]
[ "Equal(MeasureOfAngle(BVC),52)", "Equal(MeasureOfAngle(VCB),6*x+14*y)", "Equal(MeasureOfAngle(ZXY),15*x-8*y)", "Equal(MeasureOfAngle(ZXY),MeasureOfAngle(BVC))", "PerpendicularBetweenLine(CB,VB)", "PerpendicularBetweenLine(XY,ZY)" ]
[ "Equal(MeasureOfAngle(BVC),52)", "Equal(MeasureOfAngle(VCB),6*x+14*y)", "Equal(MeasureOfAngle(ZXY),15*x-8*y)", "Equal(MeasureOfAngle(ZXY),MeasureOfAngle(BVC))", "PerpendicularBetweenLine(CB,VB)", "PerpendicularBetweenLine(XY,ZY)" ]
Value(y)
1
[ "triangle_property_angle_sum(1,VCB)" ]
{"START": ["triangle_property_angle_sum(1,VCB)"]}
211
XiaokaiZhang_2023-03-12
Geometry3k-213
2
如图所示,AB=16,AC=5,BC=x,BC垂直于AC。求x的值。
As shown in the diagram, AB=16, AC=5, BC=x, BC is perpendicular to AC. Find the value of x.
211.png
[ "Shape(CA,AB,BC)" ]
[ "Equal(LengthOfLine(AB),16)", "Equal(LengthOfLine(AC),5)", "Equal(LengthOfLine(BC),x)", "PerpendicularBetweenLine(BC,AC)" ]
[ "Equal(LengthOfLine(AB),16)", "Equal(LengthOfLine(AC),5)", "Equal(LengthOfLine(BC),x)", "PerpendicularBetweenLine(BC,AC)" ]
Value(x)
sqrt(231)
[ "right_triangle_judgment_angle(1,BCA)", "right_triangle_property_pythagorean(1,BCA)" ]
{"START": ["right_triangle_judgment_angle(1,BCA)"], "right_triangle_judgment_angle(1,BCA)": ["right_triangle_property_pythagorean(1,BCA)"]}
212
XiaokaiZhang_2023-04-02
Geometry3k-214
4
如图所示,弧BRS的角度为103,B是⊙B的圆心,圆O的切线为TR,⊙O的切线为TS。求∠RTS的大小。
As shown in the diagram, the measure of ⌒BRS is 103, the center of ⊙B is B, TR is the tangent to circle B, the tangent to circle B is TS. Find the measure of ∠RTS.
212.png
[ "Shape(BS,BSR,RB)", "Shape(BR,BRS,SB)", "Shape(BRS,RT,TS)", "Cocircular(B,RS)" ]
[ "Equal(MeasureOfArc(BRS),103)", "IsCentreOfCircle(B,B)", "IsTangentOfCircle(TR,B)", "IsTangentOfCircle(TS,B)" ]
[ "Equal(MeasureOfArc(BRS),103)", "IsCentreOfCircle(B,B)", "IsTangentOfCircle(TR,B)", "IsTangentOfCircle(TS,B)" ]
Value(MeasureOfAngle(RTS))
77
[ "tangent_of_circle_property_perpendicular(1,TR,B,B)", "tangent_of_circle_property_perpendicular(2,TS,B,B)", "arc_property_center_angle(1,BRS,B)", "quadrilateral_property_angle_sum(1,BRTS)" ]
{"START": ["tangent_of_circle_property_perpendicular(1,TR,B,B)", "tangent_of_circle_property_perpendicular(2,TS,B,B)", "arc_property_center_angle(1,BRS,B)", "quadrilateral_property_angle_sum(1,BRTS)"]}
213
XiaokaiZhang_2023-03-12
Geometry3k-215
1
如图所示,∠ABC=76°,∠CAB=Mul(MeasureOfAngle(ABC), 1/2)°。求∠BCA的大小。
As shown in the diagram, ∠ABC=76°, ∠CAB=Mul(MeasureOfAngle(ABC), 1/2)°. Find the measure of ∠BCA.
213.png
[ "Shape(CA,AB,BC)" ]
[ "Equal(MeasureOfAngle(ABC),76)", "Equal(MeasureOfAngle(CAB),Mul(MeasureOfAngle(ABC), 1/2))" ]
[]
Value(MeasureOfAngle(BCA))
66
[ "triangle_property_angle_sum(1,CAB)" ]
{"START": ["triangle_property_angle_sum(1,CAB)"]}
214
XiaokaiZhang_2023-03-12
Geometry3k-216
3
如图所示,FJ=FH,GF=GH,∠HFJ=34°。求∠FJH的大小。
As shown in the diagram, FJ=FH, GF=GH, ∠HFJ=34°. Find the measure of ∠FJH.
214.png
[ "Shape(FJ,JH,HF)", "Shape(FH,HG,GF)" ]
[ "Equal(LengthOfLine(FJ),LengthOfLine(FH))", "Equal(LengthOfLine(GF),LengthOfLine(GH))", "Equal(MeasureOfAngle(HFJ),34)" ]
[]
Value(MeasureOfAngle(FJH))
73
[ "isosceles_triangle_judgment_line_equal(1,FJH)", "isosceles_triangle_property_angle_equal(1,FJH)", "triangle_property_angle_sum(1,FJH)" ]
{"START": ["isosceles_triangle_judgment_line_equal(1,FJH)", "triangle_property_angle_sum(1,FJH)"], "isosceles_triangle_judgment_line_equal(1,FJH)": ["isosceles_triangle_property_angle_equal(1,FJH)"]}
215
XiaokaiZhang_2023-04-02
Geometry3k-217
3
如图所示,FN=1/4*x+6,IP=PD,NA=2*x-29,PD=16-5*y,PI=12-3*y,IF平行于PN,PN平行于DA。求x的值。
As shown in the diagram, FN=1/4*x+6, IP=PD, NA=2*x-29, PD=16-5*y, PI=12-3*y, IF is parallel to PN, PN is parallel to DA. Find the value of x.
215.png
[ "Shape(IP,PN,NF,FI)", "Shape(PD,DA,AN,NP)", "Collinear(IPD)", "Collinear(FNA)" ]
[ "Equal(LengthOfLine(FN),1/4*x+6)", "Equal(LengthOfLine(IP),LengthOfLine(PD))", "Equal(LengthOfLine(NA),2*x-29)", "Equal(LengthOfLine(PD),16-5*y)", "Equal(LengthOfLine(PI),12-3*y)", "ParallelBetweenLine(IF,PN)", "ParallelBetweenLine(PN,DA)" ]
[ "Equal(LengthOfLine(FN),1/4*x+6)", "Equal(LengthOfLine(IP),LengthOfLine(PD))", "Equal(LengthOfLine(NA),2*x-29)", "Equal(LengthOfLine(PD),16-5*y)", "Equal(LengthOfLine(PI),12-3*y)", "ParallelBetweenLine(IF,PN)", "ParallelBetweenLine(PN,DA)" ]
Value(x)
20
[ "parallel_judgment_par_par(1,IF,PN,DA)", "trapezoid_judgment_parallel(1,IDAF)", "midsegment_of_quadrilateral_judgment_parallel(1,PN,IDAF)" ]
{"START": ["parallel_judgment_par_par(1,IF,PN,DA)"], "parallel_judgment_par_par(1,IF,PN,DA)": ["trapezoid_judgment_parallel(1,IDAF)"], "trapezoid_judgment_parallel(1,IDAF)": ["midsegment_of_quadrilateral_judgment_parallel(1,PN,IDAF)"]}
216
XiaokaiZhang_2023-03-12
Geometry3k-218
3
如图所示,TV=TU,∠VTU=74°。求∠TUV的大小。
As shown in the diagram, TV=TU, ∠VTU=74°. Find the measure of ∠TUV.
216.png
[ "Shape(TU,UV,VT)" ]
[ "Equal(LengthOfLine(TV),LengthOfLine(TU))", "Equal(MeasureOfAngle(VTU),74)" ]
[ "Equal(LengthOfLine(TV),LengthOfLine(TU))", "Equal(MeasureOfAngle(VTU),74)" ]
Value(MeasureOfAngle(TUV))
53
[ "isosceles_triangle_judgment_line_equal(1,TUV)", "isosceles_triangle_property_angle_equal(1,TUV)", "triangle_property_angle_sum(1,TUV)" ]
{"START": ["isosceles_triangle_judgment_line_equal(1,TUV)", "triangle_property_angle_sum(1,TUV)"], "isosceles_triangle_judgment_line_equal(1,TUV)": ["isosceles_triangle_property_angle_equal(1,TUV)"]}
217
XiaokaiZhang_2023-04-02
Geometry3k-219
12
如图所示,AB=22,AC=14,BD=14,CD=22,⊙E的圆心为E,圆O的圆心为O,AC是⊙O的直径,圆E的直径为BD,OC垂直于DC。求四边形ACDB的面积减去扇形OCA和EBD的面积和。
As shown in the diagram, AB=22, AC=14, BD=14, CD=22, the center of circle E is E, the center of ⊙O is O, AC is the diameter of circle O, BD is the diameter of circle E, OC is perpendicular to DC. Find the area of quadrilateral ACDB minus the sum of the areas of sectors OCA and EBD.
217.png
[ "Shape(AO,OC,OCA)", "Shape(OCA,CD,EBD,BA)", "Shape(EBD,DE,EB)", "Collinear(AOC)", "Collinear(BED)", "Cocircular(O,AC)", "Cocircular(E,BD)" ]
[ "Equal(LengthOfLine(AB),22)", "Equal(LengthOfLine(AC),14)", "Equal(LengthOfLine(BD),14)", "Equal(LengthOfLine(CD),22)", "IsCentreOfCircle(E,E)", "IsCentreOfCircle(O,O)", "IsDiameterOfCircle(AC,O)", "IsDiameterOfCircle(BD,E)", "PerpendicularBetweenLine(OC,DC)" ]
[ "Equal(LengthOfLine(AB),22)", "Equal(LengthOfLine(AC),14)", "Equal(LengthOfLine(BD),14)", "Equal(LengthOfLine(CD),22)", "IsCentreOfCircle(E,E)", "IsCentreOfCircle(O,O)", "IsDiameterOfCircle(AC,O)", "IsDiameterOfCircle(BD,E)", "PerpendicularBetweenLine(OC,DC)" ]
Value(Sub(AreaOfQuadrilateral(ACDB),Add(AreaOfSector(OCA),AreaOfSector(EBD))))
308-49*pi
[ "parallelogram_judgment_equal_and_equal(1,ACDB)", "parallelogram_area_formula_sine(1,ACDB)", "diameter_of_circle_property_length_equal(1,AC,O)", "diameter_of_circle_property_length_equal(1,BD,E)", "circle_property_length_of_radius_and_diameter(1,O)", "circle_property_length_of_radius_and_diameter(1,E)", ...
{"START": ["parallelogram_judgment_equal_and_equal(1,ACDB)", "diameter_of_circle_property_length_equal(1,AC,O)", "diameter_of_circle_property_length_equal(1,BD,E)", "circle_property_length_of_radius_and_diameter(1,O)", "circle_property_length_of_radius_and_diameter(1,E)", "flat_angle(1,AOC)", "flat_angle(1,DEB)", "arc_...
218
NaZhu_2023-04-02
Geometry3k-220
4
如图所示,∠BDE=109°,∠CBE=24°,∠EAC=95°,∠ECB=33°。求∠EBD的大小。
As shown in the diagram, ∠BDE=109°, ∠CBE=24°, ∠EAC=95°, ∠ECB=33°. Find the measure of ∠EBD.
218.png
[ "Shape(AC,CE,EA)", "Shape(DE,EB,BD)", "Shape(EC,CB,BE)", "Collinear(AEB)", "Collinear(CED)" ]
[ "Equal(MeasureOfAngle(BDE),109)", "Equal(MeasureOfAngle(CBE),24)", "Equal(MeasureOfAngle(EAC),95)", "Equal(MeasureOfAngle(ECB),33)" ]
[ "Equal(MeasureOfAngle(BDE),109)", "Equal(MeasureOfAngle(CBE),24)", "Equal(MeasureOfAngle(EAC),95)", "Equal(MeasureOfAngle(ECB),33)" ]
Value(MeasureOfAngle(EBD))
14
[ "triangle_property_angle_sum(1,ECB)", "flat_angle(1,DEC)", "angle_addition(1,DEB,BEC)", "triangle_property_angle_sum(1,EBD)" ]
{"START": ["triangle_property_angle_sum(1,ECB)", "flat_angle(1,DEC)", "angle_addition(1,DEB,BEC)", "triangle_property_angle_sum(1,EBD)"]}
219
XiaokaiZhang_2023-03-12
Geometry3k-221
4
如图所示,AM=MP,AP=sqrt(13),PD=3*sqrt(13),PN=ND,∠MAB=∠NDC,△BPA的周长为12,CP垂直于NP。求三角形CPD的周长。
As shown in the diagram, AM=MP, AP=sqrt(13), PD=3*sqrt(13), PN=ND, ∠MAB=∠NDC, the perimeter of triangle BPA is 12, CP⊥NP. Find the perimeter of △CPD.
219.png
[ "Shape(AB,BM,MA)", "Shape(MB,BP,PM)", "Shape(CP,PN,NC)", "Shape(CN,ND,DC)", "Collinear(AMPND)", "Collinear(CPB)" ]
[ "Equal(LengthOfLine(AM),LengthOfLine(MP))", "Equal(LengthOfLine(AP),sqrt(13))", "Equal(LengthOfLine(PD),3*sqrt(13))", "Equal(LengthOfLine(PN),LengthOfLine(ND))", "Equal(MeasureOfAngle(MAB),MeasureOfAngle(NDC))", "Equal(PerimeterOfTriangle(BPA),12)", "PerpendicularBetweenLine(CP,NP)" ]
[ "Equal(LengthOfLine(AM),LengthOfLine(MP))", "Equal(LengthOfLine(PN),LengthOfLine(ND))", "Equal(MeasureOfAngle(MAB),MeasureOfAngle(NDC))", "PerpendicularBetweenLine(CP,NP)" ]
Value(PerimeterOfTriangle(CPD))
36
[ "vertical_angle(1,BPM,CPN)", "similar_triangle_judgment_aa(1,BPA,CPD)", "similar_triangle_property_line_ratio(1,BPA,CPD)", "similar_triangle_property_perimeter_ratio(1,PAB,PDC)" ]
{"START": ["vertical_angle(1,BPM,CPN)"], "similar_triangle_judgment_aa(1,BPA,CPD)": ["similar_triangle_property_line_ratio(1,BPA,CPD)", "similar_triangle_property_perimeter_ratio(1,PAB,PDC)"], "vertical_angle(1,BPM,CPN)": ["similar_triangle_judgment_aa(1,BPA,CPD)"]}
220
XiaokaiZhang_2023-03-12
Geometry3k-222
2
如图所示,AD=15,PF=6,P是△ACE的重心。求直线AP的长度。
As shown in the diagram, AD=15, PF=6, the centroid of △ACE is P. Find the length of line AP.
220.png
[ "Shape(AB,BP,PA)", "Shape(BC,CP,PB)", "Shape(PC,CD,DP)", "Shape(PD,DE,EP)", "Shape(PE,EF,FP)", "Shape(PF,FA,AP)", "Collinear(ABC)", "Collinear(CDE)", "Collinear(EFA)", "Collinear(BPE)", "Collinear(CPF)", "Collinear(APD)" ]
[ "Equal(LengthOfLine(AD),15)", "Equal(LengthOfLine(PF),6)", "IsCentroidOfTriangle(P,ACE)" ]
[]
Value(LengthOfLine(AP))
10
[ "centroid_of_triangle_property_line_ratio(1,P,ACE,D)", "line_addition(1,AP,PD)" ]
{"START": ["centroid_of_triangle_property_line_ratio(1,P,ACE,D)", "line_addition(1,AP,PD)"]}
221
NaZhu_2023-04-02
Geometry3k-223
1
如图所示,∠PSR=x+10°,∠QPS=x°,∠RQP=2*x-16°,∠SRQ=2*x°。求∠PSR的大小。
As shown in the diagram, ∠PSR=x+10°, ∠QPS=x°, ∠RQP=2*x-16°, ∠SRQ=2*x°. Find the measure of ∠PSR.
221.png
[ "Shape(QP,PS,SR,RQ)" ]
[ "Equal(MeasureOfAngle(PSR),x+10)", "Equal(MeasureOfAngle(QPS),x)", "Equal(MeasureOfAngle(RQP),2*x-16)", "Equal(MeasureOfAngle(SRQ),2*x)" ]
[ "Equal(MeasureOfAngle(PSR),x+10)", "Equal(MeasureOfAngle(QPS),x)", "Equal(MeasureOfAngle(RQP),2*x-16)", "Equal(MeasureOfAngle(SRQ),2*x)" ]
Value(MeasureOfAngle(PSR))
71
[ "quadrilateral_property_angle_sum(1,QPSR)" ]
{"START": ["quadrilateral_property_angle_sum(1,QPSR)"]}
222
NaZhu_2023-04-02
Geometry3k-224
4
如图所示,KL=10,∠LKJ=85°,K是⊙K的圆心。求扇形KLJ的面积。
As shown in the diagram, KL=10, ∠LKJ=85°, K is the center of circle K. Find the area of the sector KLJ.
222.png
[ "Shape(KJL,LK,KJ)", "Shape(KLJ,JK,KL)", "Cocircular(K,JL)" ]
[ "Equal(LengthOfLine(KL),10)", "Equal(MeasureOfAngle(LKJ),85)", "IsCentreOfCircle(K,K)" ]
[ "Equal(LengthOfLine(KL),10)", "Equal(MeasureOfAngle(LKJ),85)", "IsCentreOfCircle(K,K)" ]
Value(AreaOfSector(KLJ))
1375*pi/18
[ "radius_of_circle_property_length_equal(1,KL,K)", "arc_property_center_angle(1,KLJ,K)", "round_angle(1,LKJ,JKL)", "sector_area_formula(1,KLJ)" ]
{"START": ["radius_of_circle_property_length_equal(1,KL,K)", "arc_property_center_angle(1,KLJ,K)", "round_angle(1,LKJ,JKL)", "sector_area_formula(1,KLJ)"]}
223
NaZhu_2023-04-02
Geometry3k-225
3
如图所示,XW=ZW,XY=ZY,∠XWZ=70°,∠ZYX=56°。求∠YXW的大小。
As shown in the diagram, XW=ZW, XY=ZY, ∠XWZ=70°, ∠ZYX=56°. Find the measure of ∠YXW.
223.png
[ "Shape(XW,WZ,ZY,YX)" ]
[ "Equal(LengthOfLine(XW),LengthOfLine(ZW))", "Equal(LengthOfLine(XY),LengthOfLine(ZY))", "Equal(MeasureOfAngle(XWZ),70)", "Equal(MeasureOfAngle(ZYX),56)" ]
[ "Equal(LengthOfLine(XW),LengthOfLine(ZW))", "Equal(LengthOfLine(XY),LengthOfLine(ZY))", "Equal(MeasureOfAngle(XWZ),70)", "Equal(MeasureOfAngle(ZYX),56)" ]
Value(MeasureOfAngle(YXW))
117
[ "kite_judgment_equal_and_equal(1,WZYX)", "kite_property_opposite_angle_equal(1,WZYX)", "quadrilateral_property_angle_sum(1,WZYX)" ]
{"START": ["kite_judgment_equal_and_equal(1,WZYX)", "quadrilateral_property_angle_sum(1,WZYX)"], "kite_judgment_equal_and_equal(1,WZYX)": ["kite_property_opposite_angle_equal(1,WZYX)"]}
224
NaZhu_2023-04-02
Geometry3k-226
2
如图所示,∠HPM=4*y°,∠MPR=68°,∠PRC=x°,∠SCR=5*z+2°,CM∥RP,CR∥MP。求y的值。
As shown in the diagram, ∠HPM=4*y°, ∠MPR=68°, ∠PRC=x°, ∠SCR=5*z+2°, CM∥RP, CR is parallel to MP. Find the value of y.
224.png
[ "Shape(CM,MP,PR,RC)", "Collinear(NCRI)", "Collinear(DMPL)", "Collinear(SCME)", "Collinear(GRPH)", "Shape(HP,PM)" ]
[ "Equal(MeasureOfAngle(HPM),4*y)", "Equal(MeasureOfAngle(MPR),68)", "Equal(MeasureOfAngle(PRC),x)", "Equal(MeasureOfAngle(SCR),5*z+2)", "ParallelBetweenLine(CM,RP)", "ParallelBetweenLine(CR,MP)" ]
[ "Equal(MeasureOfAngle(HPM),4*y)", "Equal(MeasureOfAngle(MPR),68)", "Equal(MeasureOfAngle(PRC),x)", "Equal(MeasureOfAngle(SCR),5*z+2)", "ParallelBetweenLine(CM,RP)", "ParallelBetweenLine(CR,MP)" ]
Value(y)
28
[ "flat_angle(1,HPR)", "angle_addition(1,HPM,MPR)" ]
{"START": ["flat_angle(1,HPR)", "angle_addition(1,HPM,MPR)"]}
225
NaZhu_2023-04-02
Geometry3k-227
2
如图所示,CN=8,圆N的圆心为N。求直线DN的长度。
As shown in the diagram, CN=8, N is the center of circle N. Find the length of line DN.
225.png
[ "Shape(NDC,CN,ND)", "Shape(NCF,FN,NC)", "Shape(NF,FE,EN)", "Shape(NED,DN,NE)", "Shape(NFE,EN,NF)", "Cocircular(N,DCFE)" ]
[ "Equal(LengthOfLine(CN),8)", "IsCentreOfCircle(N,N)" ]
[ "Equal(LengthOfLine(CN),8)", "IsCentreOfCircle(N,N)" ]
Value(LengthOfLine(DN))
8
[ "radius_of_circle_property_length_equal(1,ND,N)", "radius_of_circle_property_length_equal(1,NC,N)" ]
{"START": ["radius_of_circle_property_length_equal(1,ND,N)", "radius_of_circle_property_length_equal(1,NC,N)"]}
226
XiaokaiZhang_2023-03-12
Geometry3k-228
1
如图所示,AB=20,AC=10,BC=x,∠ABC=y°,BC⊥AC。求y的值。
As shown in the diagram, AB=20, AC=10, BC=x, ∠ABC=y°, BC is perpendicular to AC. Find the value of y.
226.png
[ "Shape(BC,CA,AB)" ]
[ "Equal(LengthOfLine(AB),20)", "Equal(LengthOfLine(AC),10)", "Equal(LengthOfLine(BC),x)", "Equal(MeasureOfAngle(ABC),y)", "PerpendicularBetweenLine(BC,AC)" ]
[ "Equal(LengthOfLine(AB),20)", "Equal(LengthOfLine(AC),10)", "Equal(LengthOfLine(BC),x)", "Equal(MeasureOfAngle(ABC),y)", "PerpendicularBetweenLine(BC,AC)" ]
Value(y)
30
[ "sine_theorem(1,ABC)" ]
{"START": ["sine_theorem(1,ABC)"]}
227
NaZhu_2023-04-02
Geometry3k-229
3
如图所示,CB=40,DB=38,SD=28,四边形ACBS是平行四边形,BD垂直于SD。求四边形ACBS的面积。
As shown in the diagram, CB=40, DB=38, SD=28, quadrilateral ACBS is a parallelogram, BD is perpendicular to SD. Find the area of ACBS.
227.png
[ "Shape(AC,CB,BS,SA)", "Shape(BD,DS,SB)", "Collinear(ASD)" ]
[ "Equal(LengthOfLine(CB),40)", "Equal(LengthOfLine(DB),38)", "Equal(LengthOfLine(SD),28)", "Parallelogram(ACBS)", "PerpendicularBetweenLine(BD,SD)" ]
[ "Equal(LengthOfLine(CB),40)", "Equal(LengthOfLine(DB),38)", "Equal(LengthOfLine(SD),28)", "PerpendicularBetweenLine(BD,SD)" ]
Value(AreaOfQuadrilateral(ACBS))
1520
[ "altitude_of_quadrilateral_judgment_left_vertex(3,BD,BSAC)", "parallelogram_property_opposite_line_equal(1,CBSA)", "parallelogram_area_formula_common(1,BSAC)" ]
{"START": ["altitude_of_quadrilateral_judgment_left_vertex(3,BD,BSAC)", "parallelogram_property_opposite_line_equal(1,CBSA)", "parallelogram_area_formula_common(1,BSAC)"]}
228
XiaokaiZhang_2023-03-12
Geometry3k-230
3
如图所示,AB=CB,DA=5*x-6,DC=3*x+4,BD垂直于AD。求直线AC的长度。
As shown in the diagram, AB=CB, DA=5*x-6, DC=3*x+4, BD⊥AD. Find the length of line AC.
228.png
[ "Shape(AB,BD,DA)", "Shape(BC,CD,DB)", "Collinear(ADC)" ]
[ "Equal(LengthOfLine(AB),LengthOfLine(CB))", "Equal(LengthOfLine(DA),5*x-6)", "Equal(LengthOfLine(DC),3*x+4)", "PerpendicularBetweenLine(BD,AD)" ]
[ "Equal(LengthOfLine(AB),LengthOfLine(CB))", "Equal(LengthOfLine(DA),5*x-6)", "Equal(LengthOfLine(DC),3*x+4)", "PerpendicularBetweenLine(BD,AD)" ]
Value(LengthOfLine(AC))
38
[ "adjacent_complementary_angle(1,CDB,BDA)", "perpendicular_bisector_judgment_distance_equal(1,BD,CA)", "line_addition(1,AD,DC)" ]
{"START": ["adjacent_complementary_angle(1,CDB,BDA)", "line_addition(1,AD,DC)"], "adjacent_complementary_angle(1,CDB,BDA)": ["perpendicular_bisector_judgment_distance_equal(1,BD,CA)"]}
229
XiaokaiZhang_2023-03-12
Geometry3k-231
2
如图所示,∠ACB=29°,∠CBA=x°,∠DAB=4*x°。求x的值。
As shown in the diagram, ∠ACB=29°, ∠CBA=x°, ∠DAB=4*x°. Find the value of x.
229.png
[ "Shape(AC,CB,BA)", "Shape(DA,AB)", "Collinear(DAC)" ]
[ "Equal(MeasureOfAngle(ACB),29)", "Equal(MeasureOfAngle(CBA),x)", "Equal(MeasureOfAngle(DAB),4*x)" ]
[ "Equal(MeasureOfAngle(ACB),29)", "Equal(MeasureOfAngle(CBA),x)", "Equal(MeasureOfAngle(DAB),4*x)" ]
Value(x)
29/3
[ "triangle_property_angle_sum(1,ACB)", "adjacent_complementary_angle(1,DAB,BAC)" ]
{"START": ["triangle_property_angle_sum(1,ACB)", "adjacent_complementary_angle(1,DAB,BAC)"]}
230
XiaokaiZhang_2023-03-12
Geometry3k-232
5
如图所示,NZ=9,XM=4,XN=6,NM平行于ZY。求直线XY的长度。
As shown in the diagram, NZ=9, XM=4, XN=6, NM∥ZY. Find the length of line XY.
230.png
[ "Shape(MX,XN,NM)", "Shape(MN,NZ,ZY,YM)", "Collinear(XNZ)", "Collinear(XMY)" ]
[ "Equal(LengthOfLine(NZ),9)", "Equal(LengthOfLine(XM),4)", "Equal(LengthOfLine(XN),6)", "ParallelBetweenLine(NM,ZY)" ]
[ "Equal(LengthOfLine(NZ),9)", "Equal(LengthOfLine(XM),4)", "Equal(LengthOfLine(XN),6)", "ParallelBetweenLine(NM,ZY)" ]
Value(LengthOfLine(XY))
10
[ "parallel_property_corresponding_angle(1,NM,ZY,X)", "similar_triangle_judgment_aa(1,MXN,YXZ)", "line_addition(1,XN,NZ)", "similar_triangle_property_line_ratio(1,MXN,YXZ)", "similar_triangle_property_line_ratio(1,NMX,ZYX)" ]
{"START": ["parallel_property_corresponding_angle(1,NM,ZY,X)", "line_addition(1,XN,NZ)"], "parallel_property_corresponding_angle(1,NM,ZY,X)": ["similar_triangle_judgment_aa(1,MXN,YXZ)"], "similar_triangle_judgment_aa(1,MXN,YXZ)": ["similar_triangle_property_line_ratio(1,MXN,YXZ)", "similar_triangle_property_line_ratio(...
231
NaZhu_2023-04-02
Geometry3k-233
2
如图所示,⌒AHG的角度为78,GB垂直于HB,JH垂直于GH。求∠HGB的大小。
As shown in the diagram, the measure of ⌒AHG is 78, GB is perpendicular to HB, JH is perpendicular to GH. Find the measure of ∠HGB.
231.png
[ "Shape(AGF,FB,BG)", "Shape(AGJ,JB,BF)", "Shape(GB,BH,HG)", "Shape(BA,AH,HB)", "Shape(HA,AJ,JH)", "Shape(AHG,GH)", "Shape(AJH,HJ)", "Collinear(FBH)", "Collinear(GBAJ)", "Cocircular(A,GFJH)" ]
[ "Equal(MeasureOfArc(AHG),78)", "PerpendicularBetweenLine(GB,HB)", "PerpendicularBetweenLine(JH,GH)" ]
[ "PerpendicularBetweenLine(GB,HB)", "PerpendicularBetweenLine(JH,GH)" ]
Value(MeasureOfAngle(HGB))
51
[ "arc_property_circumference_angle_external(1,AHG,J)", "triangle_property_angle_sum(1,GJH)" ]
{"START": ["arc_property_circumference_angle_external(1,AHG,J)", "triangle_property_angle_sum(1,GJH)"]}
232
XiaokaiZhang_2023-03-12
Geometry3k-234
8
如图所示,AD=12,BD=4,AD垂直于CD,DE⊥CE,EC⊥AC。求直线DE的长度。
As shown in the diagram, AD=12, BD=4, AD⊥CD, DE⊥CE, EC⊥AC. Find the length of line DE.
232.png
[ "Shape(CA,AD,DC)", "Shape(CD,DE,EC)", "Shape(ED,DB,BE)", "Collinear(ADB)", "Collinear(CEB)" ]
[ "Equal(LengthOfLine(AD),12)", "Equal(LengthOfLine(BD),4)", "PerpendicularBetweenLine(AD,CD)", "PerpendicularBetweenLine(DE,CE)", "PerpendicularBetweenLine(EC,AC)" ]
[ "PerpendicularBetweenLine(AD,CD)", "PerpendicularBetweenLine(DE,CE)", "PerpendicularBetweenLine(EC,AC)" ]
Value(LengthOfLine(DE))
2*sqrt(3)
[ "line_addition(1,AD,DB)", "adjacent_complementary_angle(1,BED,DEC)", "mirror_similar_triangle_judgment_aa(1,CAD,BCA)", "mirror_similar_triangle_property_line_ratio(1,CAD,BCA)", "mirror_similar_triangle_property_line_ratio(1,DCA,CAB)", "similar_triangle_judgment_aa(1,DBE,ABC)", "similar_triangle_property...
{"START": ["line_addition(1,AD,DB)", "adjacent_complementary_angle(1,BED,DEC)", "mirror_similar_triangle_judgment_aa(1,CAD,BCA)"], "adjacent_complementary_angle(1,BED,DEC)": ["similar_triangle_judgment_aa(1,DBE,ABC)"], "mirror_similar_triangle_judgment_aa(1,CAD,BCA)": ["mirror_similar_triangle_property_line_ratio(1,CAD...
233
XiaokaiZhang_2023-03-12
Geometry3k-236
2
如图所示,WZ=4,XW=4,∠WYX=23°,WZ垂直于YZ,YX⊥WX。求直线XY的长度。
As shown in the diagram, WZ=4, XW=4, ∠WYX=23°, WZ is perpendicular to YZ, YX is perpendicular to WX. Find the length of line XY.
233.png
[ "Shape(XW,WY,YX)", "Shape(WZ,ZY,YW)" ]
[ "Equal(LengthOfLine(WZ),4)", "Equal(LengthOfLine(XW),4)", "Equal(MeasureOfAngle(WYX),23)", "PerpendicularBetweenLine(WZ,YZ)", "PerpendicularBetweenLine(YX,WX)" ]
[ "Equal(LengthOfLine(WZ),4)", "Equal(LengthOfLine(XW),4)", "Equal(MeasureOfAngle(WYX),23)", "PerpendicularBetweenLine(WZ,YZ)", "PerpendicularBetweenLine(YX,WX)" ]
Value(LengthOfLine(XY))
4/tan(23*pi/180)
[ "triangle_property_angle_sum(1,XWY)", "sine_theorem(1,XWY)" ]
{"START": ["triangle_property_angle_sum(1,XWY)", "sine_theorem(1,XWY)"]}
234
NaZhu_2023-04-02
Geometry3k-237
3
如图所示,∠BEC=57°,DF∥HE,FE平行于DH。求∠IFA的大小。
As shown in the diagram, ∠BEC=57°, DF is parallel to HE, FE∥DH. Find the measure of ∠IFA.
234.png
[ "Shape(FD,DH,HE,EF)", "Collinear(AFDL)", "Collinear(BEHK)", "Collinear(IFEC)", "Collinear(GDHJ)", "Shape(BE,EC)", "Shape(IF,FA)" ]
[ "Equal(MeasureOfAngle(BEC),57)", "ParallelBetweenLine(DF,HE)", "ParallelBetweenLine(FE,DH)" ]
[ "Equal(MeasureOfAngle(BEC),57)", "ParallelBetweenLine(DF,HE)", "ParallelBetweenLine(FE,DH)" ]
Value(MeasureOfAngle(IFA))
123
[ "vertical_angle(1,BEC,HEI)", "vertical_angle(1,IFA,EFD)", "parallel_property_ipsilateral_internal_angle(1,EH,FD)" ]
{"START": ["vertical_angle(1,BEC,HEI)", "vertical_angle(1,IFA,EFD)", "parallel_property_ipsilateral_internal_angle(1,EH,FD)"]}
235
NaZhu_2023-04-02
Geometry3k-238
10
如图所示,∠NAP=120°,∠PAQ=100°,A是⊙A的圆心。求∠QPN的大小。
As shown in the diagram, ∠NAP=120°, ∠PAQ=100°, the center of circle A is A. Find the measure of ∠QPN.
235.png
[ "Shape(APN,NP)", "Shape(AP,PN,NA)", "Shape(PA,AQ,QP)", "Shape(AQP,PQ)", "Shape(ANQ,QA,AN)", "Cocircular(A,PNQ)" ]
[ "Equal(MeasureOfAngle(NAP),120)", "Equal(MeasureOfAngle(PAQ),100)", "IsCentreOfCircle(A,A)" ]
[ "Equal(MeasureOfAngle(NAP),120)", "Equal(MeasureOfAngle(PAQ),100)", "IsCentreOfCircle(A,A)" ]
Value(MeasureOfAngle(QPN))
70
[ "radius_of_circle_property_length_equal(1,AN,A)", "radius_of_circle_property_length_equal(1,AP,A)", "radius_of_circle_property_length_equal(1,AQ,A)", "isosceles_triangle_judgment_line_equal(1,APN)", "isosceles_triangle_judgment_line_equal(1,AQP)", "isosceles_triangle_property_angle_equal(1,APN)", "isosc...
{"START": ["radius_of_circle_property_length_equal(1,AN,A)", "radius_of_circle_property_length_equal(1,AP,A)", "radius_of_circle_property_length_equal(1,AQ,A)", "triangle_property_angle_sum(1,APN)", "triangle_property_angle_sum(1,AQP)", "angle_addition(1,QPA,APN)"], "isosceles_triangle_judgment_line_equal(1,APN)": ["is...
236
XiaokaiZhang_2023-03-12
Geometry3k-239
2
如图所示,∠UTV=47°,RU垂直于SU,TV⊥UV,VS垂直于RS。求∠USR的大小。
As shown in the diagram, ∠UTV=47°, RU⊥SU, TV is perpendicular to UV, VS is perpendicular to RS. Find the measure of ∠USR.
236.png
[ "Shape(RU,US,SR)", "Shape(SU,UV,VS)", "Shape(VU,UT,TV)", "Collinear(RUT)", "Collinear(SVT)" ]
[ "Equal(MeasureOfAngle(UTV),47)", "PerpendicularBetweenLine(RU,SU)", "PerpendicularBetweenLine(TV,UV)", "PerpendicularBetweenLine(VS,RS)" ]
[ "PerpendicularBetweenLine(RU,SU)", "PerpendicularBetweenLine(TV,UV)", "PerpendicularBetweenLine(VS,RS)" ]
Value(MeasureOfAngle(USR))
47
[ "triangle_property_angle_sum(1,RUS)", "triangle_property_angle_sum(1,TSR)" ]
{"START": ["triangle_property_angle_sum(1,RUS)", "triangle_property_angle_sum(1,TSR)"]}
237
NaZhu_2023-04-02
Geometry3k-240
1
如图所示,FB=9,FC=6,FD=6,FE=x。求x的值。
As shown in the diagram, FB=9, FC=6, FD=6, FE=x. Find the value of x.
237.png
[ "Shape(AEC,CF,FE)", "Shape(ADE,EF,FD)", "Shape(ACB,BF,FC)", "Shape(ABD,DF,FB)", "Collinear(CFD)", "Collinear(EFAB)", "Cocircular(A,ECBD)" ]
[ "Equal(LengthOfLine(FB),9)", "Equal(LengthOfLine(FC),6)", "Equal(LengthOfLine(FD),6)", "Equal(LengthOfLine(FE),x)" ]
[ "Equal(LengthOfLine(FB),9)", "Equal(LengthOfLine(FC),6)", "Equal(LengthOfLine(FD),6)", "Equal(LengthOfLine(FE),x)" ]
Value(x)
4
[ "circle_property_circular_power_chord_and_chord(1,EFB,CFD,A)" ]
{"START": ["circle_property_circular_power_chord_and_chord(1,EFB,CFD,A)"]}
238
XiaokaiZhang_2023-03-12
Geometry3k-241
4
如图所示,KR=RJ,KS=SL,LT=TJ,PT=2。求直线KP的长度。
As shown in the diagram, KR=RJ, KS=SL, LT=TJ, PT=2. Find the length of line KP.
238.png
[ "Shape(KR,RP,PK)", "Shape(PR,RJ,JP)", "Shape(PJ,JT,TP)", "Shape(PT,TL,LP)", "Shape(PL,LS,SP)", "Shape(PS,SK,KP)", "Collinear(KRJ)", "Collinear(JTL)", "Collinear(LSK)", "Collinear(KPT)", "Collinear(RPL)", "Collinear(JPS)" ]
[ "Equal(LengthOfLine(KR),LengthOfLine(RJ))", "Equal(LengthOfLine(KS),LengthOfLine(SL))", "Equal(LengthOfLine(LT),LengthOfLine(TJ))", "Equal(LengthOfLine(PT),2)" ]
[ "Equal(LengthOfLine(KR),LengthOfLine(RJ))", "Equal(LengthOfLine(KS),LengthOfLine(SL))", "Equal(LengthOfLine(LT),LengthOfLine(TJ))" ]
Value(LengthOfLine(KP))
4
[ "median_of_triangle_judgment(1,LR,LKJ)", "median_of_triangle_judgment(1,KT,KJL)", "centroid_of_triangle_judgment_intersection(1,P,JLK,T,R)", "centroid_of_triangle_property_line_ratio(1,P,KJL,T)" ]
{"START": ["median_of_triangle_judgment(1,LR,LKJ)", "median_of_triangle_judgment(1,KT,KJL)"], "centroid_of_triangle_judgment_intersection(1,P,JLK,T,R)": ["centroid_of_triangle_property_line_ratio(1,P,KJL,T)"], "median_of_triangle_judgment(1,KT,KJL)": ["centroid_of_triangle_judgment_intersection(1,P,JLK,T,R)"], "median_...
239
XiaokaiZhang_2023-03-12
Geometry3k-242
3
如图所示,TR=ST,∠STR=50°。求∠TRS的大小。
As shown in the diagram, TR=ST, ∠STR=50°. Find the measure of ∠TRS.
239.png
[ "Shape(RS,ST,TR)" ]
[ "Equal(LengthOfLine(TR),LengthOfLine(ST))", "Equal(MeasureOfAngle(STR),50)" ]
[ "Equal(LengthOfLine(TR),LengthOfLine(ST))", "Equal(MeasureOfAngle(STR),50)" ]
Value(MeasureOfAngle(TRS))
65
[ "triangle_property_angle_sum(1,RST)", "isosceles_triangle_judgment_line_equal(1,TRS)", "isosceles_triangle_property_angle_equal(1,TRS)" ]
{"START": ["triangle_property_angle_sum(1,RST)", "isosceles_triangle_judgment_line_equal(1,TRS)"], "isosceles_triangle_judgment_line_equal(1,TRS)": ["isosceles_triangle_property_angle_equal(1,TRS)"]}
240
NaZhu_2023-04-02
Geometry3k-243
2
如图所示,AC=9*x-1,AF=2*x+7,四边形ADCB是矩形。求直线AF的长度。
As shown in the diagram, AC=9*x-1, AF=2*x+7, quadrilateral ADCB is a rectangle. Find the length of line AF.
240.png
[ "Shape(AD,DF,FA)", "Shape(AF,FB,BA)", "Shape(FD,DC,CF)", "Shape(FC,CB,BF)", "Collinear(AFC)", "Collinear(DFB)" ]
[ "Equal(LengthOfLine(AC),9*x-1)", "Equal(LengthOfLine(AF),2*x+7)", "Rectangle(ADCB)" ]
[ "Equal(LengthOfLine(AC),9*x-1)", "Equal(LengthOfLine(AF),2*x+7)" ]
Value(LengthOfLine(AF))
13
[ "line_addition(1,AF,FC)", "parallelogram_property_diagonal_bisection(1,ADCB,F)" ]
{"START": ["line_addition(1,AF,FC)", "parallelogram_property_diagonal_bisection(1,ADCB,F)"]}
241
XiaokaiZhang_2023-03-12
Geometry3k-244
6
如图所示,LR=10,PM=Mul(LengthOfLine(KP),2),PR∥KL,KN垂直于MN,RM垂直于PM。求直线RM的长度。
As shown in the diagram, LR=10, PM=Mul(LengthOfLine(KP),2), PR is parallel to KL, KN is perpendicular to MN, RM⊥PM. Find the length of line RM.
241.png
[ "Shape(LR,RQ,QN,NL)", "Shape(RM,MQ,QR)", "Shape(QM,MP,PQ)", "Shape(NQ,QP,PK,KN)", "Collinear(LRM)", "Collinear(MPK)", "Collinear(LNK)", "Collinear(RQP)", "Collinear(NQM)" ]
[ "Equal(LengthOfLine(LR),10)", "Equal(LengthOfLine(PM),Mul(LengthOfLine(KP),2))", "ParallelBetweenLine(PR,KL)", "PerpendicularBetweenLine(KN,MN)", "PerpendicularBetweenLine(RM,PM)" ]
[]
Value(LengthOfLine(RM))
20
[ "parallel_property_corresponding_angle(1,PR,KL,M)", "similar_triangle_judgment_aa(1,RMP,LMK)", "line_addition(1,MP,PK)", "line_addition(1,MR,RL)", "similar_triangle_property_line_ratio(1,RMP,LMK)", "similar_triangle_property_line_ratio(1,PRM,KLM)" ]
{"START": ["parallel_property_corresponding_angle(1,PR,KL,M)", "line_addition(1,MP,PK)", "line_addition(1,MR,RL)"], "parallel_property_corresponding_angle(1,PR,KL,M)": ["similar_triangle_judgment_aa(1,RMP,LMK)"], "similar_triangle_judgment_aa(1,RMP,LMK)": ["similar_triangle_property_line_ratio(1,RMP,LMK)", "similar_tri...
242
XiaokaiZhang_2023-03-12
Geometry3k-245
5
如图所示,LR=3,RW=6,TR=8,TS平行于LW。求直线WS的长度。
As shown in the diagram, LR=3, RW=6, TR=8, TS is parallel to LW. Find the length of line WS.
242.png
[ "Shape(RW,WL,LR)", "Shape(LW,WS,ST,TL)", "Collinear(RLT)", "Collinear(RWS)" ]
[ "Equal(LengthOfLine(LR),3)", "Equal(LengthOfLine(RW),6)", "Equal(LengthOfLine(TR),8)", "ParallelBetweenLine(TS,LW)" ]
[ "ParallelBetweenLine(TS,LW)" ]
Value(LengthOfLine(WS))
10
[ "parallel_property_corresponding_angle(1,WL,ST,R)", "similar_triangle_judgment_aa(1,LRW,TRS)", "line_addition(1,RW,WS)", "similar_triangle_property_line_ratio(1,LRW,TRS)", "similar_triangle_property_line_ratio(1,WLR,STR)" ]
{"START": ["parallel_property_corresponding_angle(1,WL,ST,R)", "line_addition(1,RW,WS)"], "parallel_property_corresponding_angle(1,WL,ST,R)": ["similar_triangle_judgment_aa(1,LRW,TRS)"], "similar_triangle_judgment_aa(1,LRW,TRS)": ["similar_triangle_property_line_ratio(1,LRW,TRS)", "similar_triangle_property_line_ratio(...
243
XiaokaiZhang_2023-03-12
Geometry3k-246
5
如图所示,AC=AY,AD=x+2,CB=5/3*x+11,DB=3*y-9,DB=YD,YD=2*y+6。求x的值。
As shown in the diagram, AC=AY, AD=x+2, CB=5/3*x+11, DB=3*y-9, DB=YD, YD=2*y+6. Find the value of x.
243.png
[ "Shape(CA,AD,DB,BC)", "Shape(AY,YD,DA)", "Collinear(CAY)", "Collinear(BDY)" ]
[ "Equal(LengthOfLine(AC),LengthOfLine(AY))", "Equal(LengthOfLine(AD),x+2)", "Equal(LengthOfLine(CB),5/3*x+11)", "Equal(LengthOfLine(DB),3*y-9)", "Equal(LengthOfLine(DB),LengthOfLine(YD))", "Equal(LengthOfLine(YD),2*y+6)" ]
[ "Equal(LengthOfLine(AC),LengthOfLine(AY))", "Equal(LengthOfLine(AD),x+2)", "Equal(LengthOfLine(CB),5/3*x+11)", "Equal(LengthOfLine(DB),3*y-9)", "Equal(LengthOfLine(DB),LengthOfLine(YD))", "Equal(LengthOfLine(YD),2*y+6)" ]
Value(x)
21
[ "line_addition(1,CA,AY)", "line_addition(1,BD,DY)", "similar_triangle_judgment_sas(1,YDA,YBC)", "similar_triangle_property_line_ratio(1,YDA,YBC)", "similar_triangle_property_line_ratio(1,AYD,CYB)" ]
{"START": ["line_addition(1,CA,AY)", "line_addition(1,BD,DY)"], "line_addition(1,BD,DY)": ["similar_triangle_judgment_sas(1,YDA,YBC)"], "line_addition(1,CA,AY)": ["similar_triangle_judgment_sas(1,YDA,YBC)"], "similar_triangle_judgment_sas(1,YDA,YBC)": ["similar_triangle_property_line_ratio(1,YDA,YBC)", "similar_triangl...
244
NaZhu_2023-04-02
Geometry3k-247
1
如图所示,AB=2*x+1,BC=3*x-7,BA是圆O的切线,BC是圆O的切线。求x的值。
As shown in the diagram, AB=2*x+1, BC=3*x-7, the tangent to ⊙O is BA, the tangent to ⊙O is BC. Find the value of x.
244.png
[ "Shape(OCA,CB,BA)", "Shape(OCA,OAC)", "Cocircular(O,AC)" ]
[ "Equal(LengthOfLine(AB),2*x+1)", "Equal(LengthOfLine(BC),3*x-7)", "IsTangentOfCircle(BA,O)", "IsTangentOfCircle(BC,O)" ]
[ "Equal(LengthOfLine(AB),2*x+1)", "Equal(LengthOfLine(BC),3*x-7)" ]
Value(x)
8
[ "tangent_of_circle_property_length_equal(1,BA,BC,O)" ]
{"START": ["tangent_of_circle_property_length_equal(1,BA,BC,O)"]}
245
NaZhu_2023-04-02
Geometry3k-248
4
如图所示,∠AVS=x°,∠QVA=167°,∠SVT=77°,∠TVU=x°,∠UVQ=26°。求x的值。
As shown in the diagram, ∠AVS=x°, ∠QVA=167°, ∠SVT=77°, ∠TVU=x°, ∠UVQ=26°. Find the value of x.
245.png
[ "Shape(VQU,UV,VQ)", "Shape(VUT,TV,VU)", "Shape(VTS,SV,VT)", "Shape(VSA,AV,VS)", "Shape(VAQ,QV,VA)", "Cocircular(V,QUTSA)" ]
[ "Equal(MeasureOfAngle(AVS),x)", "Equal(MeasureOfAngle(QVA),167)", "Equal(MeasureOfAngle(SVT),77)", "Equal(MeasureOfAngle(TVU),x)", "Equal(MeasureOfAngle(UVQ),26)" ]
[ "Equal(MeasureOfAngle(AVS),x)", "Equal(MeasureOfAngle(QVA),167)", "Equal(MeasureOfAngle(SVT),77)", "Equal(MeasureOfAngle(TVU),x)", "Equal(MeasureOfAngle(UVQ),26)" ]
Value(x)
45
[ "angle_addition(1,UVQ,QVA)", "round_angle(1,UVA,AVU)", "angle_addition(1,SVT,TVU)", "angle_addition(1,AVS,SVU)" ]
{"START": ["angle_addition(1,UVQ,QVA)", "round_angle(1,UVA,AVU)", "angle_addition(1,SVT,TVU)", "angle_addition(1,AVS,SVU)"]}
246
XiaokaiZhang_2023-03-12
Geometry3k-249
8
如图所示,BC=4,BF=x,∠ABD=30°,∠CBE=30°,∠DBF=30°,∠EBA=30°,BA⊥EA,BD⊥AD,BE⊥CE,BF⊥DF。求x的值。
As shown in the diagram, BC=4, BF=x, ∠ABD=30°, ∠CBE=30°, ∠DBF=30°, ∠EBA=30°, BA is perpendicular to EA, BD is perpendicular to AD, BE is perpendicular to CE, BF⊥DF. Find the value of x.
246.png
[ "Shape(CB,BE,EC)", "Shape(EB,BA,AE)", "Shape(AB,BD,DA)", "Shape(DB,BF,FD)" ]
[ "Equal(LengthOfLine(BC),4)", "Equal(LengthOfLine(BF),x)", "Equal(MeasureOfAngle(ABD),30)", "Equal(MeasureOfAngle(CBE),30)", "Equal(MeasureOfAngle(DBF),30)", "Equal(MeasureOfAngle(EBA),30)", "PerpendicularBetweenLine(BA,EA)", "PerpendicularBetweenLine(BD,AD)", "PerpendicularBetweenLine(BE,CE)", "Pe...
[ "Equal(LengthOfLine(BC),4)", "Equal(LengthOfLine(BF),x)", "Equal(MeasureOfAngle(ABD),30)", "Equal(MeasureOfAngle(CBE),30)", "Equal(MeasureOfAngle(DBF),30)", "Equal(MeasureOfAngle(EBA),30)", "PerpendicularBetweenLine(BA,EA)", "PerpendicularBetweenLine(BD,AD)", "PerpendicularBetweenLine(BE,CE)", "Pe...
Value(x)
9/4
[ "triangle_property_angle_sum(1,BEC)", "sine_theorem(1,BEC)", "triangle_property_angle_sum(1,BAE)", "sine_theorem(1,BAE)", "triangle_property_angle_sum(1,BDA)", "sine_theorem(1,BDA)", "triangle_property_angle_sum(1,BFD)", "sine_theorem(1,BFD)" ]
{"START": ["triangle_property_angle_sum(1,BEC)", "sine_theorem(1,BEC)", "triangle_property_angle_sum(1,BAE)", "sine_theorem(1,BAE)", "triangle_property_angle_sum(1,BDA)", "sine_theorem(1,BDA)", "triangle_property_angle_sum(1,BFD)", "sine_theorem(1,BFD)"]}
247
XiaokaiZhang_2023-03-12
Geometry3k-250
2
如图所示,AB=x,AC=6,BC=15,BC垂直于AC。求x的值。
As shown in the diagram, AB=x, AC=6, BC=15, BC⊥AC. Find the value of x.
247.png
[ "Shape(CA,AB,BC)" ]
[ "Equal(LengthOfLine(AB),x)", "Equal(LengthOfLine(AC),6)", "Equal(LengthOfLine(BC),15)", "PerpendicularBetweenLine(BC,AC)" ]
[ "Equal(LengthOfLine(AB),x)", "Equal(LengthOfLine(AC),6)", "Equal(LengthOfLine(BC),15)", "PerpendicularBetweenLine(BC,AC)" ]
Value(x)
3*sqrt(29)
[ "right_triangle_judgment_angle(1,BCA)", "right_triangle_property_pythagorean(1,BCA)" ]
{"START": ["right_triangle_judgment_angle(1,BCA)"], "right_triangle_judgment_angle(1,BCA)": ["right_triangle_property_pythagorean(1,BCA)"]}
248
NaZhu_2023-04-02
Geometry3k-251
1
如图所示,∠BGC=40°,∠DGF=53°,CB垂直于GB,FG⊥CG,GF垂直于DF。求∠FGB的大小。
As shown in the diagram, ∠BGC=40°, ∠DGF=53°, CB is perpendicular to GB, FG is perpendicular to CG, GF⊥DF. Find the measure of ∠FGB.
248.png
[ "Shape(DG,GF,FD)", "Shape(FG,GB,BA,AF)", "Shape(BG,GC,CB)", "Shape(AB,BC,CA)", "Collinear(GBA)", "Collinear(DFA)" ]
[ "Equal(MeasureOfAngle(BGC),40)", "Equal(MeasureOfAngle(DGF),53)", "PerpendicularBetweenLine(CB,GB)", "PerpendicularBetweenLine(FG,CG)", "PerpendicularBetweenLine(GF,DF)" ]
[ "PerpendicularBetweenLine(CB,GB)", "PerpendicularBetweenLine(FG,CG)", "PerpendicularBetweenLine(GF,DF)" ]
Value(MeasureOfAngle(FGB))
50
[ "angle_addition(1,FGA,AGC)" ]
{"START": ["angle_addition(1,FGA,AGC)"]}
249
NaZhu_2023-04-02
Geometry3k-252
1
如图所示,FQ=10,FW=x,WQ=4。求x的值。
As shown in the diagram, FQ=10, FW=x, WQ=4. Find the value of x.
249.png
[ "Shape(DF,FW,WB,BD)", "Shape(ND,DB,BW,WQ,QC,CN)", "Collinear(NDF)", "Collinear(FWQ)" ]
[ "Equal(LengthOfLine(FQ),10)", "Equal(LengthOfLine(FW),x)", "Equal(LengthOfLine(WQ),4)" ]
[ "Equal(LengthOfLine(FQ),10)", "Equal(LengthOfLine(FW),x)", "Equal(LengthOfLine(WQ),4)" ]
Value(x)
6
[ "line_addition(1,FW,WQ)" ]
{"START": ["line_addition(1,FW,WQ)"]}
250
NaZhu_2023-04-02
Geometry3k-253
9
如图所示,AB=2,△DBC为等边△,A是⊙A的圆心。求圆A的面积减去△DBC的面积。
As shown in the diagram, AB=2, triangle DBC is an equilateral triangle, A is the center of circle A. Find the area of the ⊙A minus the area of △DBC.
250.png
[ "Shape(ADB,BD)", "Shape(DB,BA,AD)", "Shape(AB,BC,CD,DA)", "Shape(ACD,DC)", "Shape(ABC,CB)", "Cocircular(A,DBC)" ]
[ "Equal(LengthOfLine(AB),2)", "EquilateralTriangle(DBC)", "IsCentreOfCircle(A,A)" ]
[ "Equal(LengthOfLine(AB),2)", "IsCentreOfCircle(A,A)" ]
Value(Sub(AreaOfCircle(A),AreaOfTriangle(DBC)))
-3*sqrt(3)+4*pi
[ "equilateral_triangle_property_angle(1,CDB)", "equilateral_triangle_property_angle(1,DBC)", "arc_property_center_angle(1,ADB,A)", "arc_property_circumference_angle_external(1,ADB,C)", "radius_of_circle_property_length_equal(1,AB,A)", "radius_of_circle_property_length_equal(1,AD,A)", "cosine_theorem(1,AD...
{"START": ["equilateral_triangle_property_angle(1,CDB)", "equilateral_triangle_property_angle(1,DBC)", "arc_property_center_angle(1,ADB,A)", "arc_property_circumference_angle_external(1,ADB,C)", "radius_of_circle_property_length_equal(1,AB,A)", "radius_of_circle_property_length_equal(1,AD,A)", "cosine_theorem(1,ADB)", ...
251
NaZhu_2023-04-02
Geometry3k-254
10
如图所示,∠TOR=71°,∠UOR=179°,圆O的圆心为O,SR是⊙O的切线。求∠RST的大小。
As shown in the diagram, ∠TOR=71°, ∠UOR=179°, O is the center of ⊙O, SR is the tangent to ⊙O. Find the measure of ∠RST.
251.png
[ "Shape(OUR,RO,OU)", "Shape(OTU,UT)", "Shape(OT,TU,UO)", "Shape(ORT,TO,OR)", "Shape(ORT,RS,ST)", "Collinear(UTS)", "Cocircular(O,URT)" ]
[ "Equal(MeasureOfAngle(TOR),71)", "Equal(MeasureOfAngle(UOR),179)", "IsCentreOfCircle(O,O)", "IsTangentOfCircle(SR,O)" ]
[ "Equal(MeasureOfAngle(TOR),71)", "Equal(MeasureOfAngle(UOR),179)", "IsCentreOfCircle(O,O)", "IsTangentOfCircle(SR,O)" ]
Value(MeasureOfAngle(RST))
55
[ "angle_addition(1,UOT,TOR)", "radius_of_circle_property_length_equal(1,OU,O)", "radius_of_circle_property_length_equal(1,OT,O)", "isosceles_triangle_judgment_line_equal(1,OTU)", "isosceles_triangle_property_angle_equal(1,OTU)", "triangle_property_angle_sum(1,UOT)", "flat_angle(1,STU)", "angle_addition...
{"START": ["angle_addition(1,UOT,TOR)", "radius_of_circle_property_length_equal(1,OU,O)", "radius_of_circle_property_length_equal(1,OT,O)", "triangle_property_angle_sum(1,UOT)", "flat_angle(1,STU)", "angle_addition(1,STO,OTU)", "tangent_of_circle_property_perpendicular(1,SR,O,O)", "quadrilateral_property_angle_sum(1,OR...
252
XiaokaiZhang_2023-03-12
Geometry3k-255
1
如图所示,AB=sqrt(481),AC=16,BC=15,AC⊥BC。求tan(BA)的值。
As shown in the diagram, AB=sqrt(481), AC=16, BC=15, AC is perpendicular to BC. Find the value of tan(BA).
252.png
[ "Shape(BA,AC,CB)" ]
[ "Equal(LengthOfLine(AB),sqrt(481))", "Equal(LengthOfLine(AC),16)", "Equal(LengthOfLine(BC),15)", "PerpendicularBetweenLine(AC,BC)" ]
[ "Equal(LengthOfLine(AB),sqrt(481))", "Equal(LengthOfLine(AC),16)", "Equal(LengthOfLine(BC),15)", "PerpendicularBetweenLine(AC,BC)" ]
Value(Tan(MeasureOfAngle(BAC)))
15/16
[ "cosine_theorem(1,ACB)" ]
{"START": ["cosine_theorem(1,ACB)"]}
253
NaZhu_2023-04-02
Geometry3k-256
1
如图所示,GF=5*x-9,GH=x+7,圆O的切线为GF,圆O的切线为GH。求x的值。
As shown in the diagram, GF=5*x-9, GH=x+7, GF is the tangent to circle J, the tangent to circle J is GH. Find the value of x.
253.png
[ "Shape(JHF,HG,GF)", "Shape(JHF,JFH)", "Cocircular(J,FH)" ]
[ "Equal(LengthOfLine(GF),5*x-9)", "Equal(LengthOfLine(GH),x+7)", "IsTangentOfCircle(GF,J)", "IsTangentOfCircle(GH,J)" ]
[ "Equal(LengthOfLine(GF),5*x-9)", "Equal(LengthOfLine(GH),x+7)" ]
Value(x)
4
[ "tangent_of_circle_property_length_equal(1,GF,GH,J)" ]
{"START": ["tangent_of_circle_property_length_equal(1,GF,GH,J)"]}
254
XiaokaiZhang_2023-03-12
Geometry3k-257
2
如图所示,ZX=3*x+5,ZY=5*x-7,∠ZWX=∠YWZ,WX垂直于ZX,ZY垂直于WY。求直线XZ的长度。
As shown in the diagram, ZX=3*x+5, ZY=5*x-7, ∠ZWX=∠YWZ, WX⊥ZX, ZY is perpendicular to WY. Find the length of line XZ.
254.png
[ "Shape(WX,XZ,ZW)", "Shape(WZ,ZY,YW)" ]
[ "Equal(LengthOfLine(ZX),3*x+5)", "Equal(LengthOfLine(ZY),5*x-7)", "Equal(MeasureOfAngle(ZWX),MeasureOfAngle(YWZ))", "PerpendicularBetweenLine(WX,ZX)", "PerpendicularBetweenLine(ZY,WY)" ]
[ "Equal(LengthOfLine(ZX),3*x+5)", "Equal(LengthOfLine(ZY),5*x-7)", "Equal(MeasureOfAngle(ZWX),MeasureOfAngle(YWZ))", "PerpendicularBetweenLine(WX,ZX)", "PerpendicularBetweenLine(ZY,WY)" ]
Value(LengthOfLine(XZ))
23
[ "mirror_congruent_triangle_judgment_aas(3,ZYW,ZWX)", "mirror_congruent_triangle_property_line_equal(1,WZY,WXZ)" ]
{"START": ["mirror_congruent_triangle_judgment_aas(3,ZYW,ZWX)"], "mirror_congruent_triangle_judgment_aas(3,ZYW,ZWX)": ["mirror_congruent_triangle_property_line_equal(1,WZY,WXZ)"]}
255
XiaokaiZhang_2023-03-12
Geometry3k-258
1
如图所示,SR=5,TR=3,TS=4,RT⊥ST。求cos(SR)的值。
As shown in the diagram, SR=5, TR=3, TS=4, RT⊥ST. Find the value of cos(SR).
255.png
[ "Shape(TS,SR,RT)" ]
[ "Equal(LengthOfLine(SR),5)", "Equal(LengthOfLine(TR),3)", "Equal(LengthOfLine(TS),4)", "PerpendicularBetweenLine(RT,ST)" ]
[ "Equal(LengthOfLine(SR),5)", "Equal(LengthOfLine(TR),3)", "Equal(LengthOfLine(TS),4)", "PerpendicularBetweenLine(RT,ST)" ]
Value(Cos(MeasureOfAngle(SRT)))
3/5
[ "cosine_theorem(1,RTS)" ]
{"START": ["cosine_theorem(1,RTS)"]}
256
XiaokaiZhang_2023-03-12
Geometry3k-259
4
如图所示,AC=x,AD=8,BD=y,∠BCA=43°,CA垂直于BA,DB⊥CB。求y的值。
As shown in the diagram, AC=x, AD=8, BD=y, ∠BCA=43°, CA is perpendicular to BA, DB⊥CB. Find the value of y.
256.png
[ "Shape(DB,BA,AD)", "Shape(AB,BC,CA)", "Collinear(DAC)" ]
[ "Equal(LengthOfLine(AC),x)", "Equal(LengthOfLine(AD),8)", "Equal(LengthOfLine(BD),y)", "Equal(MeasureOfAngle(BCA),43)", "PerpendicularBetweenLine(CA,BA)", "PerpendicularBetweenLine(DB,CB)" ]
[ "Equal(LengthOfLine(AC),x)", "Equal(LengthOfLine(AD),8)", "Equal(LengthOfLine(BD),y)", "Equal(MeasureOfAngle(BCA),43)", "PerpendicularBetweenLine(CA,BA)", "PerpendicularBetweenLine(DB,CB)" ]
Value(y)
8/sin(43*pi/180)
[ "adjacent_complementary_angle(1,CAB,BAD)", "triangle_property_angle_sum(1,DBA)", "triangle_property_angle_sum(1,DBC)", "sine_theorem(1,DBA)" ]
{"START": ["adjacent_complementary_angle(1,CAB,BAD)", "triangle_property_angle_sum(1,DBA)", "triangle_property_angle_sum(1,DBC)", "sine_theorem(1,DBA)"]}
257
XiaokaiZhang_2023-03-12
Geometry3k-260
3
如图所示,∠BDF=47°,∠CIF=112°,∠DFB=65°。求∠IAF的大小。
As shown in the diagram, ∠BDF=47°, ∠CIF=112°, ∠DFB=65°. Find the measure of ∠IAF.
257.png
[ "Shape(BD,DF,FB)", "Shape(FI,IA,AF)", "Shape(DB,BG)", "Shape(BF,FA)", "Shape(CI,IF)", "Collinear(GBFI)", "Collinear(AFD)", "Collinear(AIC)" ]
[ "Equal(MeasureOfAngle(BDF),47)", "Equal(MeasureOfAngle(CIF),112)", "Equal(MeasureOfAngle(DFB),65)" ]
[ "Equal(MeasureOfAngle(BDF),47)", "Equal(MeasureOfAngle(CIF),112)", "Equal(MeasureOfAngle(DFB),65)" ]
Value(MeasureOfAngle(IAF))
47
[ "vertical_angle(1,DFB,AFI)", "adjacent_complementary_angle(1,CIF,FIA)", "triangle_property_angle_sum(1,FIA)" ]
{"START": ["vertical_angle(1,DFB,AFI)", "adjacent_complementary_angle(1,CIF,FIA)", "triangle_property_angle_sum(1,FIA)"]}
258
NaZhu_2023-04-02
Geometry3k-261
2
如图所示,∠ACE=y°,∠BDA=68°,∠EAC=2*x°,∠EBD=3*x-15°,EA∥BD。求y的值。
As shown in the diagram, ∠ACE=y°, ∠BDA=68°, ∠EAC=2*x°, ∠EBD=3*x-15°, EA∥BD. Find the value of y.
258.png
[ "Shape(BD,DA,AE,EB)", "Shape(EA,AC,CE)", "Collinear(BEC)", "Collinear(DAC)" ]
[ "Equal(MeasureOfAngle(ACE),y)", "Equal(MeasureOfAngle(BDA),68)", "Equal(MeasureOfAngle(EAC),2*x)", "Equal(MeasureOfAngle(EBD),3*x-15)", "ParallelBetweenLine(EA,BD)" ]
[ "Equal(MeasureOfAngle(ACE),y)", "Equal(MeasureOfAngle(BDA),68)", "Equal(MeasureOfAngle(EAC),2*x)", "Equal(MeasureOfAngle(EBD),3*x-15)", "ParallelBetweenLine(EA,BD)" ]
Value(y)
25
[ "parallel_property_corresponding_angle(2,DB,AE,C)", "triangle_property_angle_sum(1,BDC)" ]
{"START": ["parallel_property_corresponding_angle(2,DB,AE,C)", "triangle_property_angle_sum(1,BDC)"]}
259
XiaokaiZhang_2023-03-12
Geometry3k-262
4
如图所示,AB=10,AE=25/4,BC=x+2,DE=x-1,三角形ABE相似于三角形ACD。求直线BC的长度。
As shown in the diagram, AB=10, AE=25/4, BC=x+2, DE=x-1, △ABE is similar to △ACD.. Find the length of line BC.
259.png
[ "Shape(AB,BE,EA)", "Shape(BC,CD,DE,EB)", "Collinear(ABC)", "Collinear(AED)" ]
[ "Equal(LengthOfLine(AB),10)", "Equal(LengthOfLine(AE),25/4)", "Equal(LengthOfLine(BC),x+2)", "Equal(LengthOfLine(DE),x-1)", "SimilarBetweenTriangle(ABE,ACD)" ]
[ "Equal(LengthOfLine(AB),10)", "Equal(LengthOfLine(AE),25/4)", "Equal(LengthOfLine(BC),x+2)", "Equal(LengthOfLine(DE),x-1)" ]
Value(LengthOfLine(BC))
8
[ "similar_triangle_property_line_ratio(1,EAB,DAC)", "similar_triangle_property_line_ratio(1,BEA,CDA)", "line_addition(1,AB,BC)", "line_addition(1,AE,ED)" ]
{"START": ["similar_triangle_property_line_ratio(1,EAB,DAC)", "similar_triangle_property_line_ratio(1,BEA,CDA)", "line_addition(1,AB,BC)", "line_addition(1,AE,ED)"]}
260
NaZhu_2023-04-02
Geometry3k-263
3
如图所示,AD=5+x,BD=x,BF=5,CF=5+x。求x的值。
As shown in the diagram, AD=5+x, BD=x, BF=5, CF=5+x. Find the value of x.
260.png
[ "Shape(EDF,DB,BF)", "Shape(EAD,DA)", "Shape(EDF,FC,ECA,AD)", "Shape(EFC,CF)", "Collinear(BDA)", "Collinear(BFC)", "Cocircular(E,DFCA)" ]
[ "Equal(LengthOfLine(AD),5+x)", "Equal(LengthOfLine(BD),x)", "Equal(LengthOfLine(BF),5)", "Equal(LengthOfLine(CF),5+x)" ]
[ "Equal(LengthOfLine(AD),5+x)", "Equal(LengthOfLine(BD),x)", "Equal(LengthOfLine(BF),5)", "Equal(LengthOfLine(CF),5+x)" ]
Value(x)
5
[ "line_addition(1,BD,DA)", "line_addition(1,BF,FC)", "circle_property_circular_power_segment_and_segment_line(1,BDA,BFC,E)" ]
{"START": ["line_addition(1,BD,DA)", "line_addition(1,BF,FC)", "circle_property_circular_power_segment_and_segment_line(1,BDA,BFC,E)"]}
261
NaZhu_2023-04-02
Geometry3k-264
2
如图所示,AG=12,圆A的圆心为A。求直线LA的长度。
As shown in the diagram, AG=12, the center of ⊙A is A. Find the length of line LA.
261.png
[ "Shape(APD,DA,AP)", "Shape(ADL,LA,AD)", "Shape(ALG,GA,AL)", "Shape(AGF,FA,AG)", "Shape(AFP,PA,AF)", "Cocircular(A,PDLGF)" ]
[ "Equal(LengthOfLine(AG),12)", "IsCentreOfCircle(A,A)" ]
[ "Equal(LengthOfLine(AG),12)", "IsCentreOfCircle(A,A)" ]
Value(LengthOfLine(LA))
12
[ "radius_of_circle_property_length_equal(1,AG,A)", "radius_of_circle_property_length_equal(1,AL,A)" ]
{"START": ["radius_of_circle_property_length_equal(1,AG,A)", "radius_of_circle_property_length_equal(1,AL,A)"]}
262
NaZhu_2023-04-02
Geometry3k-265
6
如图所示,∠FJH=82°,GFJH是菱形。求∠JHK的大小。
As shown in the diagram, ∠FJH=82°, GFJH is a rhombus. Find the measure of ∠JHK.
262.png
[ "Shape(GF,FK,KG)", "Shape(GK,KH,HG)", "Shape(FJ,JK,KF)", "Shape(KJ,JH,HK)", "Collinear(FKH)", "Collinear(GKJ)" ]
[ "Equal(MeasureOfAngle(FJH),82)", "Rhombus(GFJH)" ]
[]
Value(MeasureOfAngle(JHK))
49
[ "kite_property_diagonal_perpendicular_bisection(1,JHGF,K)", "altitude_of_triangle_judgment(1,JK,JHF)", "isosceles_triangle_judgment_line_equal(1,JHF)", "isosceles_triangle_property_line_coincidence(1,JHF,K)", "angle_addition(1,FJK,KJH)", "triangle_property_angle_sum(1,JHK)" ]
{"START": ["kite_property_diagonal_perpendicular_bisection(1,JHGF,K)", "isosceles_triangle_judgment_line_equal(1,JHF)", "angle_addition(1,FJK,KJH)", "triangle_property_angle_sum(1,JHK)"], "altitude_of_triangle_judgment(1,JK,JHF)": ["isosceles_triangle_property_line_coincidence(1,JHF,K)"], "isosceles_triangle_judgment_l...
263
XiaokaiZhang_2023-03-12
Geometry3k-266
3
如图所示,AB=13,AC=7,CB=10,FE=14,三角形ACB镜像相似于三角形DFE。求三角形DFE的周长。
As shown in the diagram, AB=13, AC=7, CB=10, FE=14, △ACB is mirror similar to △DFE.. Find the perimeter of △DFE.
263.png
[ "Shape(AC,CB,BA)", "Shape(DF,FE,ED)" ]
[ "Equal(LengthOfLine(AB),13)", "Equal(LengthOfLine(AC),7)", "Equal(LengthOfLine(CB),10)", "Equal(LengthOfLine(FE),14)", "MirrorSimilarBetweenTriangle(ACB,DFE)" ]
[ "Equal(LengthOfLine(AB),13)", "Equal(LengthOfLine(AC),7)", "Equal(LengthOfLine(CB),10)", "Equal(LengthOfLine(FE),14)" ]
Value(PerimeterOfTriangle(DFE))
42
[ "triangle_perimeter_formula(1,ACB)", "mirror_similar_triangle_property_line_ratio(1,ACB,DFE)", "mirror_similar_triangle_property_perimeter_ratio(1,ACB,DFE)" ]
{"START": ["triangle_perimeter_formula(1,ACB)", "mirror_similar_triangle_property_line_ratio(1,ACB,DFE)", "mirror_similar_triangle_property_perimeter_ratio(1,ACB,DFE)"]}
264
NaZhu_2023-04-02
Geometry3k-267
1
如图所示,∠CPD=3*x-15°,DP垂直于AP,ADCB是菱形。求x的值。
As shown in the diagram, ∠CPD=3*x-15°, DP is perpendicular to AP, quadrilateral ADCB is a rhombus. Find the value of x.
264.png
[ "Shape(AD,DP,PA)", "Shape(AP,PB,BA)", "Shape(PD,DC,CP)", "Shape(PC,CB,BP)", "Collinear(APC)", "Collinear(DPB)" ]
[ "Equal(MeasureOfAngle(CPD),3*x-15)", "PerpendicularBetweenLine(DP,AP)", "Rhombus(ADCB)" ]
[ "PerpendicularBetweenLine(DP,AP)" ]
Value(x)
35
[ "kite_property_diagonal_perpendicular_bisection(1,CBAD,P)" ]
{"START": ["kite_property_diagonal_perpendicular_bisection(1,CBAD,P)"]}
265
NaZhu_2023-04-02
Geometry3k-268
13
如图所示,∠KFD=x°,⌒ECG的角度为45,⌒EDC的角度为130,圆E的圆心为E。求x的值。
As shown in the diagram, ∠KFD=x°, the measure of ⌒ECG is 45, the measure of arc EDC is 130, E is the center of circle E. Find the value of x.
265.png
[ "Shape(EDC,CD)", "Shape(DC,CE,ED)", "Shape(ECG,GE,EC)", "Shape(EGK,KE,EG)", "Shape(EKD,DE,EK)", "Shape(EKD,KF,FD)", "Collinear(GEKF)", "Collinear(CDF)", "Cocircular(E,CGKD)" ]
[ "Equal(MeasureOfAngle(KFD),x)", "Equal(MeasureOfArc(ECG),45)", "Equal(MeasureOfArc(EDC),130)", "IsCentreOfCircle(E,E)" ]
[ "Equal(MeasureOfAngle(KFD),x)", "Equal(MeasureOfArc(ECG),45)", "Equal(MeasureOfArc(EDC),130)", "IsCentreOfCircle(E,E)" ]
Value(x)
20
[ "arc_property_center_angle(1,EDC,E)", "arc_property_center_angle(1,ECG,E)", "radius_of_circle_property_length_equal(1,EC,E)", "radius_of_circle_property_length_equal(1,ED,E)", "isosceles_triangle_judgment_line_equal(1,EDC)", "isosceles_triangle_property_angle_equal(1,EDC)", "triangle_property_angle_sum(...
{"START": ["arc_property_center_angle(1,EDC,E)", "arc_property_center_angle(1,ECG,E)", "radius_of_circle_property_length_equal(1,EC,E)", "radius_of_circle_property_length_equal(1,ED,E)", "triangle_property_angle_sum(1,DCE)", "flat_angle(1,FDC)", "angle_addition(1,FDE,EDC)", "flat_angle(1,GEK)", "angle_addition(1,GEC,CE...
266
XiaokaiZhang_2023-03-12
Geometry3k-269
1
如图所示,AB=c,AC=b,CB=a,a=14,b=48,c=50,BC⊥AC。求cos(AB)的值。
As shown in the diagram, AB=c, AC=b, CB=a, a=14, b=48, c=50, BC⊥AC. Find the value of cos(AB).
266.png
[ "Shape(BC,CA,AB)" ]
[ "Equal(LengthOfLine(AB),c)", "Equal(LengthOfLine(AC),b)", "Equal(LengthOfLine(CB),a)", "Equal(a,14)", "Equal(b,48)", "Equal(c,50)", "PerpendicularBetweenLine(BC,AC)" ]
[ "Equal(LengthOfLine(AB),c)", "Equal(LengthOfLine(AC),b)", "Equal(LengthOfLine(CB),a)", "PerpendicularBetweenLine(BC,AC)" ]
Value(Cos(MeasureOfAngle(ABC)))
7/25
[ "cosine_theorem(1,BCA)" ]
{"START": ["cosine_theorem(1,BCA)"]}
267
NaZhu_2023-04-02
Geometry3k-270
3
如图所示,AF=x+4,BD=x,BF=8,DC=2*x。求x的值。
As shown in the diagram, AF=x+4, BD=x, BF=8, DC=2*x. Find the value of x.
267.png
[ "Shape(EAF,FA)", "Shape(ECA,AF,EFD,DC)", "Shape(EDC,CD)", "Shape(EFD,FB,BD)", "Collinear(CDB)", "Collinear(AFB)", "Cocircular(E,AFDC)" ]
[ "Equal(LengthOfLine(AF),x+4)", "Equal(LengthOfLine(BD),x)", "Equal(LengthOfLine(BF),8)", "Equal(LengthOfLine(DC),2*x)" ]
[ "Equal(LengthOfLine(AF),x+4)", "Equal(LengthOfLine(BD),x)", "Equal(LengthOfLine(BF),8)", "Equal(LengthOfLine(DC),2*x)" ]
Value(x)
4/3+4*sqrt(19)/3
[ "line_addition(1,CD,DB)", "line_addition(1,AF,FB)", "circle_property_circular_power_segment_and_segment_line(1,BFA,BDC,E)" ]
{"START": ["line_addition(1,CD,DB)", "line_addition(1,AF,FB)", "circle_property_circular_power_segment_and_segment_line(1,BFA,BDC,E)"]}
268
NaZhu_2023-04-02
Geometry3k-271
2
如图所示,∠BFD=165°,∠CFB=x°,∠DFC=145°。求x的值。
As shown in the diagram, ∠BFD=165°, ∠CFB=x°, ∠DFC=145°. Find the value of x.
268.png
[ "Shape(FDB,BF,FD)", "Shape(FBC,CF,FB)", "Shape(FCD,DF,FC)", "Cocircular(F,DBC)" ]
[ "Equal(MeasureOfAngle(BFD),165)", "Equal(MeasureOfAngle(CFB),x)", "Equal(MeasureOfAngle(DFC),145)" ]
[ "Equal(MeasureOfAngle(BFD),165)", "Equal(MeasureOfAngle(CFB),x)", "Equal(MeasureOfAngle(DFC),145)" ]
Value(x)
50
[ "angle_addition(1,BFD,DFC)", "round_angle(1,CFB,BFC)" ]
{"START": ["angle_addition(1,BFD,DFC)", "round_angle(1,CFB,BFC)"]}
269
NaZhu_2023-04-02
Geometry3k-272
8
如图所示,KL=AJ,弧CKL的角度为5*x,弧DJA的角度为3*x+54,⊙C的半径与⊙D的半径相等,C是圆C的圆心,⊙D的圆心为D。求x的值。
As shown in the diagram, KL=AJ, the measure of arc CKL is 5*x, the measure of arc DJA is 3*x+54, the radius of ⊙C is equal to the radius of circle D, C is the center of circle C, D is the center of circle D. Find the value of x.
269.png
[ "Shape(CKL,LK)", "Shape(KL,LC,CK)", "Shape(CLK,KC,CL)", "Shape(DJA,AJ)", "Shape(DJ,JA,AD)", "Shape(DAJ,JD,DA)", "Cocircular(C,KL)", "Cocircular(D,JA)" ]
[ "Equal(LengthOfLine(KL),LengthOfLine(AJ))", "Equal(MeasureOfArc(CKL),5*x)", "Equal(MeasureOfArc(DJA),3*x+54)", "Equal(RadiusOfCircle(C),RadiusOfCircle(D))", "IsCentreOfCircle(C,C)", "IsCentreOfCircle(D,D)" ]
[ "Equal(LengthOfLine(KL),LengthOfLine(AJ))", "Equal(MeasureOfArc(CKL),5*x)", "Equal(MeasureOfArc(DJA),3*x+54)", "IsCentreOfCircle(C,C)", "IsCentreOfCircle(D,D)" ]
Value(x)
27
[ "arc_property_center_angle(1,CKL,C)", "arc_property_center_angle(1,DJA,D)", "radius_of_circle_property_length_equal(1,CK,C)", "radius_of_circle_property_length_equal(1,CL,C)", "radius_of_circle_property_length_equal(1,DJ,D)", "radius_of_circle_property_length_equal(1,DA,D)", "congruent_triangle_judgment...
{"START": ["arc_property_center_angle(1,CKL,C)", "arc_property_center_angle(1,DJA,D)", "radius_of_circle_property_length_equal(1,CK,C)", "radius_of_circle_property_length_equal(1,CL,C)", "radius_of_circle_property_length_equal(1,DJ,D)", "radius_of_circle_property_length_equal(1,DA,D)"], "congruent_triangle_judgment_sss...
270
XiaokaiZhang_2023-03-12
Geometry3k-273
1
如图所示,AB=c,AC=b,CB=a,a=14,b=48,c=50,BC⊥AC。求tan(CA)的值。
As shown in the diagram, AB=c, AC=b, CB=a, a=14, b=48, c=50, BC is perpendicular to AC. Find the value of tan(CA).
270.png
[ "Shape(BC,CA,AB)" ]
[ "Equal(LengthOfLine(AB),c)", "Equal(LengthOfLine(AC),b)", "Equal(LengthOfLine(CB),a)", "Equal(a,14)", "Equal(b,48)", "Equal(c,50)", "PerpendicularBetweenLine(BC,AC)" ]
[ "Equal(LengthOfLine(AB),c)", "Equal(LengthOfLine(AC),b)", "Equal(LengthOfLine(CB),a)", "PerpendicularBetweenLine(BC,AC)" ]
Value(Tan(MeasureOfAngle(CAB)))
7/24
[ "cosine_theorem(1,ABC)" ]
{"START": ["cosine_theorem(1,ABC)"]}
271
NaZhu_2023-04-02
Geometry3k-274
3
如图所示,∠FEC=a°,∠GDA=b°,DH⊥EH。求a+b-90的值。
As shown in the diagram, ∠FEC=a°, ∠GDA=b°, DH⊥EH. Find the value of a+b-90.
271.png
[ "Shape(DH,HE,ED)", "Collinear(ADH)", "Collinear(HEF)", "Collinear(GDEC)", "Shape(GD,DA)", "Shape(FE,EC)" ]
[ "Equal(MeasureOfAngle(FEC),a)", "Equal(MeasureOfAngle(GDA),b)", "PerpendicularBetweenLine(DH,EH)" ]
[ "Equal(MeasureOfAngle(FEC),a)", "Equal(MeasureOfAngle(GDA),b)", "PerpendicularBetweenLine(DH,EH)" ]
Value(a+b-90)
0
[ "vertical_angle(1,HEG,FEC)", "vertical_angle(1,GDA,EDH)", "triangle_property_angle_sum(1,DHE)" ]
{"START": ["vertical_angle(1,HEG,FEC)", "vertical_angle(1,GDA,EDH)", "triangle_property_angle_sum(1,DHE)"]}
272
NaZhu_2023-04-02
Geometry3k-275
3
如图所示,∠UZY=2*x+24°,∠VZU=4*x°,∠XZW=∠YZX,Z是⊙Z的圆心。求⌒ZYU的角度。
As shown in the diagram, ∠UZY=2*x+24°, ∠VZU=4*x°, ∠XZW=∠YZX, Z is the center of circle Z. Find the measure of ⌒ZYU.
272.png
[ "Shape(ZVW,WZ,ZV)", "Shape(ZWX,XZ,ZW)", "Shape(ZXY,YZ,ZX)", "Shape(ZYU,UZ,ZY)", "Shape(ZUV,VZ,ZU)", "Collinear(VZY)", "Collinear(WZU)", "Cocircular(Z,VWXYU)" ]
[ "Equal(MeasureOfAngle(UZY),2*x+24)", "Equal(MeasureOfAngle(VZU),4*x)", "Equal(MeasureOfAngle(XZW),MeasureOfAngle(YZX))", "IsCentreOfCircle(Z,Z)" ]
[ "IsCentreOfCircle(Z,Z)" ]
Value(MeasureOfArc(ZYU))
76
[ "flat_angle(1,VZY)", "angle_addition(1,VZU,UZY)", "arc_property_center_angle(1,ZYU,Z)" ]
{"START": ["flat_angle(1,VZY)", "angle_addition(1,VZU,UZY)", "arc_property_center_angle(1,ZYU,Z)"]}
273
NaZhu_2023-04-02
Geometry3k-276
2
如图所示,∠ABG=47°,∠ACG=136°,∠BED=63°,∠DFB=∠BDF,∠EBA=69°。求∠BCA的大小。
As shown in the diagram, ∠ABG=47°, ∠ACG=136°, ∠BED=63°, ∠DFB=∠BDF, ∠EBA=69°. Find the measure of ∠BCA.
273.png
[ "Shape(ED,DB,BE)", "Shape(BD,DF,FB)", "Shape(AB,BC,CA)", "Collinear(DBCG)", "Collinear(EBF)", "Shape(EB,BA)", "Shape(AC,CG)" ]
[ "Equal(MeasureOfAngle(ABG),47)", "Equal(MeasureOfAngle(ACG),136)", "Equal(MeasureOfAngle(BED),63)", "Equal(MeasureOfAngle(DFB),MeasureOfAngle(BDF))", "Equal(MeasureOfAngle(EBA),69)" ]
[ "Equal(MeasureOfAngle(ABG),47)", "Equal(MeasureOfAngle(ACG),136)", "Equal(MeasureOfAngle(BED),63)", "Equal(MeasureOfAngle(DFB),MeasureOfAngle(BDF))", "Equal(MeasureOfAngle(EBA),69)" ]
Value(MeasureOfAngle(BCA))
44
[ "flat_angle(1,BCG)", "angle_addition(1,BCA,ACG)" ]
{"START": ["flat_angle(1,BCG)", "angle_addition(1,BCA,ACG)"]}
274
NaZhu_2023-04-02
Geometry3k-277
2
如图所示,∠ADC=60°,D是⊙D的圆心。求∠ABC的大小。
As shown in the diagram, ∠ADC=60°, D is the center of circle D. Find the measure of ∠ABC.
274.png
[ "Shape(DAB,BA)", "Shape(DBC,CB)", "Shape(DCA,AD,DC)", "Shape(DA,AB,BC,CD)", "Cocircular(D,ABC)" ]
[ "Equal(MeasureOfAngle(ADC),60)", "IsCentreOfCircle(D,D)" ]
[ "Equal(MeasureOfAngle(ADC),60)", "IsCentreOfCircle(D,D)" ]
Value(MeasureOfAngle(ABC))
30
[ "arc_property_center_angle(1,DCA,D)", "arc_property_circumference_angle_external(1,DCA,B)" ]
{"START": ["arc_property_center_angle(1,DCA,D)", "arc_property_circumference_angle_external(1,DCA,B)"]}
275
XiaokaiZhang_2023-03-12
Geometry3k-278
4
如图所示,DC=6-x,DG=2,JL=4,JM=x,DG是△DDC的高,JM是三角形JJL的高,DG⊥CG,JM垂直于LM,△KLJ相似于△ECD。求直线DC的长度。
As shown in the diagram, DC=6-x, DG=2, JL=4, JM=x, DG is the altitude of triangle DDC, JM is the altitude of triangle JJL, DG is perpendicular to CG, JM is perpendicular to LM, triangle KLJ is similar to triangle ECD.. Find the length of line DC.
275.png
[ "Shape(JK,KM,MJ)", "Shape(JM,ML,LJ)", "Shape(DE,EG,GD)", "Shape(DG,GC,CD)", "Collinear(KML)", "Collinear(EGC)" ]
[ "Equal(LengthOfLine(DC),6-x)", "Equal(LengthOfLine(DG),2)", "Equal(LengthOfLine(JL),4)", "Equal(LengthOfLine(JM),x)", "IsAltitudeOfTriangle(DG,EDC)", "IsAltitudeOfTriangle(JM,KJL)", "PerpendicularBetweenLine(DG,CG)", "PerpendicularBetweenLine(JM,LM)", "SimilarBetweenTriangle(KLJ,ECD)" ]
[ "Equal(LengthOfLine(DC),6-x)", "Equal(LengthOfLine(DG),2)", "Equal(LengthOfLine(JL),4)", "Equal(LengthOfLine(JM),x)", "PerpendicularBetweenLine(DG,CG)", "PerpendicularBetweenLine(JM,LM)" ]
Value(LengthOfLine(DC))
2
[ "similar_triangle_property_angle_equal(1,LJK,CDE)", "similar_triangle_judgment_aa(1,JML,DGC)", "similar_triangle_property_line_ratio(1,LJM,CDG)", "similar_triangle_property_line_ratio(1,MLJ,GCD)" ]
{"START": ["similar_triangle_property_angle_equal(1,LJK,CDE)"], "similar_triangle_judgment_aa(1,JML,DGC)": ["similar_triangle_property_line_ratio(1,MLJ,GCD)", "similar_triangle_property_line_ratio(1,LJM,CDG)"], "similar_triangle_property_angle_equal(1,LJK,CDE)": ["similar_triangle_judgment_aa(1,JML,DGC)"]}
276
XiaokaiZhang_2023-03-12
Geometry3k-280
3
如图所示,BA=3,BD=x-1,CE=x+2,EF=8,∠GAB=∠EFG,AB垂直于CB,DE⊥FE。求直线EC的长度。
As shown in the diagram, BA=3, BD=x-1, CE=x+2, EF=8, ∠GAB=∠EFG, AB⊥CB, DE is perpendicular to FE. Find the length of line EC.
276.png
[ "Shape(AB,BC,CG,GA)", "Shape(GC,CD,DG)", "Shape(GD,DE,EF,FG)", "Collinear(BCDE)", "Collinear(AGD)", "Collinear(CGF)" ]
[ "Equal(LengthOfLine(BA),3)", "Equal(LengthOfLine(BD),x-1)", "Equal(LengthOfLine(CE),x+2)", "Equal(LengthOfLine(EF),8)", "Equal(MeasureOfAngle(GAB),MeasureOfAngle(EFG))", "PerpendicularBetweenLine(AB,CB)", "PerpendicularBetweenLine(DE,FE)" ]
[ "Equal(LengthOfLine(BA),3)", "Equal(LengthOfLine(BD),x-1)", "Equal(LengthOfLine(CE),x+2)", "Equal(LengthOfLine(EF),8)", "Equal(MeasureOfAngle(GAB),MeasureOfAngle(EFG))", "PerpendicularBetweenLine(AB,CB)", "PerpendicularBetweenLine(DE,FE)" ]
Value(LengthOfLine(EC))
24/5
[ "mirror_similar_triangle_judgment_aa(1,DAB,CEF)", "mirror_similar_triangle_property_line_ratio(1,DAB,CEF)", "mirror_similar_triangle_property_line_ratio(1,ABD,FCE)" ]
{"START": ["mirror_similar_triangle_judgment_aa(1,DAB,CEF)"], "mirror_similar_triangle_judgment_aa(1,DAB,CEF)": ["mirror_similar_triangle_property_line_ratio(1,DAB,CEF)", "mirror_similar_triangle_property_line_ratio(1,ABD,FCE)"]}
277
NaZhu_2023-03-12
Geometry3k-281
2
如图所示,AC=5,BC=3,AC⊥BC。求直线AB的长度。
As shown in the diagram, AC=5, BC=3, AC is perpendicular to BC. Find the length of line AB.
277.png
[ "Shape(AC,CB,BA)" ]
[ "Equal(LengthOfLine(AC),5)", "Equal(LengthOfLine(BC),3)", "PerpendicularBetweenLine(AC,BC)" ]
[ "Equal(LengthOfLine(AC),5)", "Equal(LengthOfLine(BC),3)", "PerpendicularBetweenLine(AC,BC)" ]
Value(LengthOfLine(AB))
sqrt(34)
[ "right_triangle_judgment_angle(1,ACB)", "right_triangle_property_pythagorean(1,ACB)" ]
{"START": ["right_triangle_judgment_angle(1,ACB)"], "right_triangle_judgment_angle(1,ACB)": ["right_triangle_property_pythagorean(1,ACB)"]}
278
NaZhu_2023-03-12
Geometry3k-282
2
如图所示,△CEA的面积为52,CD=b+5,EA=b,ED垂直于CD。求b的值。
As shown in the diagram, the area of △CEA is 52, CD=b+5, EA=b, ED⊥CD. Find the value of b.
278.png
[ "Shape(CE,ED,DC)", "Shape(CD,DA,AC)", "Collinear(EDA)" ]
[ "Equal(AreaOfTriangle(CEA),52)", "Equal(LengthOfLine(CD),b+5)", "Equal(LengthOfLine(EA),b)", "PerpendicularBetweenLine(ED,CD)" ]
[ "Equal(LengthOfLine(CD),b+5)", "Equal(LengthOfLine(EA),b)", "PerpendicularBetweenLine(ED,CD)" ]
Value(b)
8
[ "altitude_of_triangle_judgment(1,CD,CEA)", "triangle_area_formula_common(1,CEA)" ]
{"START": ["altitude_of_triangle_judgment(1,CD,CEA)", "triangle_area_formula_common(1,CEA)"]}
279
NaZhu_2023-04-02
Geometry3k-283
6
如图所示,AI=18,FH=37,GB=9,GB垂直于HB,IA⊥FA。求三角形IHF的面积与△FHG的面积之和。
As shown in the diagram, AI=18, FH=37, GB=9, GB is perpendicular to HB, IA is perpendicular to FA. Find the sum of the area of △IHF and the area of △FHG.
279.png
[ "Shape(GF,FA,AB,BG)", "Shape(FI,IA,AF)", "Shape(AI,IH,HB,BA)", "Shape(GB,BH,HG)", "Collinear(FABH)" ]
[ "Equal(LengthOfLine(AI),18)", "Equal(LengthOfLine(FH),37)", "Equal(LengthOfLine(GB),9)", "PerpendicularBetweenLine(GB,HB)", "PerpendicularBetweenLine(IA,FA)" ]
[ "Equal(LengthOfLine(AI),18)", "Equal(LengthOfLine(FH),37)", "Equal(LengthOfLine(GB),9)", "PerpendicularBetweenLine(GB,HB)", "PerpendicularBetweenLine(IA,FA)" ]
Value(Add(AreaOfTriangle(IHF),AreaOfTriangle(FHG)))
999/2
[ "adjacent_complementary_angle(1,BAI,IAF)", "adjacent_complementary_angle(1,FBG,GBH)", "altitude_of_triangle_judgment(1,GB,GFH)", "altitude_of_triangle_judgment(1,IA,IHF)", "triangle_area_formula_common(1,GFH)", "triangle_area_formula_common(1,IHF)" ]
{"START": ["adjacent_complementary_angle(1,BAI,IAF)", "adjacent_complementary_angle(1,FBG,GBH)", "triangle_area_formula_common(1,GFH)", "triangle_area_formula_common(1,IHF)"], "adjacent_complementary_angle(1,BAI,IAF)": ["altitude_of_triangle_judgment(1,IA,IHF)"], "adjacent_complementary_angle(1,FBG,GBH)": ["altitude_of...
280
NaZhu_2023-03-12
Geometry3k-284
2
如图所示,AC=9,AY=18,PO=x,QP=y,RO=14,YB=21,四边形RQPO相似于四边形BCAY。求y的值。
As shown in the diagram, AC=9, AY=18, PO=x, QP=y, RO=14, YB=21, quadrilateral RQPO is similar to quadrilateral BCAY. Find the value of y.
280.png
[ "Shape(RQ,QP,PO,OR)", "Shape(AY,YB,BC,CA)" ]
[ "Equal(LengthOfLine(AC),9)", "Equal(LengthOfLine(AY),18)", "Equal(LengthOfLine(PO),x)", "Equal(LengthOfLine(QP),y)", "Equal(LengthOfLine(RO),14)", "Equal(LengthOfLine(YB),21)", "SimilarBetweenQuadrilateral(RQPO,BCAY)" ]
[ "Equal(LengthOfLine(AC),9)", "Equal(LengthOfLine(AY),18)", "Equal(LengthOfLine(PO),x)", "Equal(LengthOfLine(QP),y)", "Equal(LengthOfLine(RO),14)", "Equal(LengthOfLine(YB),21)" ]
Value(y)
6
[ "similar_quadrilateral_property_line_ratio(1,QPOR,CAYB)", "similar_quadrilateral_property_line_ratio(1,ORQP,YBCA)" ]
{"START": ["similar_quadrilateral_property_line_ratio(1,QPOR,CAYB)", "similar_quadrilateral_property_line_ratio(1,ORQP,YBCA)"]}
281
NaZhu_2023-03-12
Geometry3k-285
4
如图所示,RT=2*x+6,VT=10,WR=x+6,WS=8,∠SWR=∠VTR。求直线RT的长度。
As shown in the diagram, RT=2*x+6, VT=10, WR=x+6, WS=8, ∠SWR=∠VTR. Find the length of line RT.
281.png
[ "Shape(SW,WR,RS)", "Shape(VT,TR,RV)", "Collinear(SRV)", "Collinear(WRT)" ]
[ "Equal(LengthOfLine(RT),2*x+6)", "Equal(LengthOfLine(VT),10)", "Equal(LengthOfLine(WR),x+6)", "Equal(LengthOfLine(WS),8)", "Equal(MeasureOfAngle(SWR),MeasureOfAngle(VTR))" ]
[ "Equal(LengthOfLine(RT),2*x+6)", "Equal(LengthOfLine(VT),10)", "Equal(LengthOfLine(WR),x+6)", "Equal(LengthOfLine(WS),8)", "Equal(MeasureOfAngle(SWR),MeasureOfAngle(VTR))" ]
Value(LengthOfLine(RT))
10
[ "vertical_angle(1,WRS,TRV)", "similar_triangle_judgment_aa(1,SWR,VTR)", "similar_triangle_property_line_ratio(1,SWR,VTR)", "similar_triangle_property_line_ratio(1,RSW,RVT)" ]
{"START": ["vertical_angle(1,WRS,TRV)"], "similar_triangle_judgment_aa(1,SWR,VTR)": ["similar_triangle_property_line_ratio(1,SWR,VTR)", "similar_triangle_property_line_ratio(1,RSW,RVT)"], "vertical_angle(1,WRS,TRV)": ["similar_triangle_judgment_aa(1,SWR,VTR)"]}
282
NaZhu_2023-04-02
Geometry3k-286
3
如图所示,∠EFA=63°,F是圆F的圆心,DF⊥EF。求⌒FDA的角度。
As shown in the diagram, ∠EFA=63°, the center of circle F is F, DF is perpendicular to EF. Find the measure of arc FDA.
282.png
[ "Shape(FCB,BF,FC)", "Shape(FBA,AF,FB)", "Shape(FAE,EF,FA)", "Shape(FED,DF,FE)", "Shape(FDC,CF,FD)", "Cocircular(F,AEDCB)" ]
[ "Equal(MeasureOfAngle(EFA),63)", "IsCentreOfCircle(F,F)", "PerpendicularBetweenLine(DF,EF)" ]
[ "Equal(MeasureOfAngle(EFA),63)", "IsCentreOfCircle(F,F)", "PerpendicularBetweenLine(DF,EF)" ]
Value(MeasureOfArc(FDA))
207
[ "angle_addition(1,DFE,EFA)", "round_angle(1,DFA,AFD)", "arc_property_center_angle(1,FDA,F)" ]
{"START": ["angle_addition(1,DFE,EFA)", "round_angle(1,DFA,AFD)", "arc_property_center_angle(1,FDA,F)"]}
283
NaZhu_2023-03-12
Geometry3k-287
2
如图所示,AB=y,BC=x,CA=7*sqrt(2),∠CAB=45°,BC⊥AC。求y的值。
As shown in the diagram, AB=y, BC=x, CA=7*sqrt(2), ∠CAB=45°, BC is perpendicular to AC. Find the value of y.
283.png
[ "Shape(AB,BC,CA)" ]
[ "Equal(LengthOfLine(AB),y)", "Equal(LengthOfLine(BC),x)", "Equal(LengthOfLine(CA),7*sqrt(2))", "Equal(MeasureOfAngle(CAB),45)", "PerpendicularBetweenLine(BC,AC)" ]
[ "Equal(LengthOfLine(AB),y)", "Equal(LengthOfLine(BC),x)", "Equal(LengthOfLine(CA),7*sqrt(2))", "Equal(MeasureOfAngle(CAB),45)", "PerpendicularBetweenLine(BC,AC)" ]
Value(y)
14
[ "triangle_property_angle_sum(1,BCA)", "sine_theorem(1,ABC)" ]
{"START": ["triangle_property_angle_sum(1,BCA)", "sine_theorem(1,ABC)"]}
284
NaZhu_2023-04-02
Geometry3k-288
1
如图所示,∠FBE=4*x°,弧ACD的角度为9*x+26,⌒AFE的角度为35。求x的值。
As shown in the diagram, ∠FBE=4*x°, the measure of ⌒ACD is 9*x+26, the measure of arc AFE is 35. Find the value of x.
284.png
[ "Shape(AEC,CE)", "Shape(ACD,DF,AFE,EC)", "Shape(ADF,FD)", "Shape(BE,AFE,FB)", "Collinear(CEB)", "Collinear(DFB)", "Cocircular(A,ECDF)" ]
[ "Equal(MeasureOfAngle(FBE),4*x)", "Equal(MeasureOfArc(ACD),9*x+26)", "Equal(MeasureOfArc(AFE),35)" ]
[ "Equal(MeasureOfAngle(FBE),4*x)", "Equal(MeasureOfArc(ACD),9*x+26)", "Equal(MeasureOfArc(AFE),35)" ]
Value(x)
9
[ "circle_property_circular_power_segment_and_segment_angle(1,BFD,BEC,A)" ]
{"START": ["circle_property_circular_power_segment_and_segment_angle(1,BFD,BEC,A)"]}
285
NaZhu_2023-04-02
Geometry3k-289
4
如图所示,BD=22,DN=18,∠NAD=40°,ACBD是▱,DN垂直于AN。求ACBD的面积。
As shown in the diagram, BD=22, DN=18, ∠NAD=40°, AD and CB are opposite sides of the parallelogram ACBD, DN⊥AN. Find the area of ACBD.
285.png
[ "Shape(CB,BD,DA,AC)", "Shape(AD,DN,NA)", "Collinear(BDN)" ]
[ "Equal(LengthOfLine(BD),22)", "Equal(LengthOfLine(DN),18)", "Equal(MeasureOfAngle(NAD),40)", "Parallelogram(ACBD)", "PerpendicularBetweenLine(DN,AN)" ]
[ "Equal(LengthOfLine(BD),22)", "Equal(LengthOfLine(DN),18)", "Equal(MeasureOfAngle(NAD),40)", "PerpendicularBetweenLine(DN,AN)" ]
Value(AreaOfQuadrilateral(ACBD))
396/tan(2*pi/9)
[ "triangle_property_angle_sum(1,ADN)", "sine_theorem(1,NAD)", "altitude_of_quadrilateral_judgment_right_vertex(5,AN,CBDA)", "parallelogram_area_formula_common(1,CBDA)" ]
{"START": ["triangle_property_angle_sum(1,ADN)", "sine_theorem(1,NAD)", "altitude_of_quadrilateral_judgment_right_vertex(5,AN,CBDA)", "parallelogram_area_formula_common(1,CBDA)"]}
286
NaZhu_2023-04-02
Geometry3k-290
4
如图所示,AC=8,AD=4,CB=10,AC⊥BC,DA垂直于CA。求四边形ACBD的面积。
As shown in the diagram, AC=8, AD=4, CB=10, AC⊥BC, DA is perpendicular to CA. Find the area of ACBD.
286.png
[ "Shape(BD,DA,AC,CB)" ]
[ "Equal(LengthOfLine(AC),8)", "Equal(LengthOfLine(AD),4)", "Equal(LengthOfLine(CB),10)", "PerpendicularBetweenLine(AC,BC)", "PerpendicularBetweenLine(DA,CA)" ]
[ "Equal(LengthOfLine(AC),8)", "Equal(LengthOfLine(AD),4)", "Equal(LengthOfLine(CB),10)", "PerpendicularBetweenLine(AC,BC)", "PerpendicularBetweenLine(DA,CA)" ]
Value(AreaOfQuadrilateral(ACBD))
56
[ "parallel_judgment_ipsilateral_internal_angle(1,AD,CB)", "trapezoid_judgment_parallel(1,ACBD)", "right_trapezoid_judgment_right_angle(1,ACBD)", "right_trapezoid_area_formular(1,ACBD)" ]
{"START": ["parallel_judgment_ipsilateral_internal_angle(1,AD,CB)"], "parallel_judgment_ipsilateral_internal_angle(1,AD,CB)": ["trapezoid_judgment_parallel(1,ACBD)"], "right_trapezoid_judgment_right_angle(1,ACBD)": ["right_trapezoid_area_formular(1,ACBD)"], "trapezoid_judgment_parallel(1,ACBD)": ["right_trapezoid_judgm...
287
NaZhu_2023-03-12
Geometry3k-291
1
如图所示,AB=13,AC=12,BC=15。求∠BAC的大小。
As shown in the diagram, AB=13, AC=12, BC=15. Find the measure of ∠BAC.
287.png
[ "Shape(AC,CB,BA)" ]
[ "Equal(LengthOfLine(AB),13)", "Equal(LengthOfLine(AC),12)", "Equal(LengthOfLine(BC),15)" ]
[ "Equal(LengthOfLine(AB),13)", "Equal(LengthOfLine(AC),12)", "Equal(LengthOfLine(BC),15)" ]
Value(MeasureOfAngle(BAC))
180*acos(11/39)/pi
[ "cosine_theorem(1,ACB)" ]
{"START": ["cosine_theorem(1,ACB)"]}
288
NaZhu_2023-04-02
Geometry3k-292
3
如图所示,BE=15,CB=12,CE=x,E是⊙E的圆心,BC是圆O的切线。求x的值。
As shown in the diagram, BE=15, CB=12, CE=x, the center of ⊙E is E, BC is the tangent to ⊙E. Find the value of x.
288.png
[ "Shape(ECF,FE,EC)", "Shape(EFC,CE,EF)", "Shape(ECF,CB,BF)", "Collinear(BFE)", "Cocircular(E,CF)" ]
[ "Equal(LengthOfLine(BE),15)", "Equal(LengthOfLine(CB),12)", "Equal(LengthOfLine(CE),x)", "IsCentreOfCircle(E,E)", "IsTangentOfCircle(BC,E)" ]
[ "Equal(LengthOfLine(BE),15)", "Equal(LengthOfLine(CB),12)", "Equal(LengthOfLine(CE),x)", "IsCentreOfCircle(E,E)" ]
Value(x)
9
[ "tangent_of_circle_property_perpendicular(1,BC,E,E)", "right_triangle_judgment_angle(1,ECB)", "right_triangle_property_pythagorean(1,ECB)" ]
{"START": ["tangent_of_circle_property_perpendicular(1,BC,E,E)"], "right_triangle_judgment_angle(1,ECB)": ["right_triangle_property_pythagorean(1,ECB)"], "tangent_of_circle_property_perpendicular(1,BC,E,E)": ["right_triangle_judgment_angle(1,ECB)"]}
289
NaZhu_2023-04-02
Geometry3k-293
4
如图所示,∠BGC=100°,∠DCF=75°。求∠GAC的大小。
As shown in the diagram, ∠BGC=100°, ∠DCF=75°. Find the measure of ∠GAC.
289.png
[ "Shape(GA,AC,CG)", "Collinear(EGCF)", "Collinear(AGB)", "Collinear(ACD)", "Shape(BG,GC)", "Shape(DC,CF)" ]
[ "Equal(MeasureOfAngle(BGC),100)", "Equal(MeasureOfAngle(DCF),75)" ]
[ "Equal(MeasureOfAngle(BGC),100)", "Equal(MeasureOfAngle(DCF),75)" ]
Value(MeasureOfAngle(GAC))
25
[ "flat_angle(1,BGA)", "angle_addition(1,BGC,CGA)", "vertical_angle(1,ACE,DCF)", "triangle_property_angle_sum(1,GAC)" ]
{"START": ["flat_angle(1,BGA)", "angle_addition(1,BGC,CGA)", "vertical_angle(1,ACE,DCF)", "triangle_property_angle_sum(1,GAC)"]}
290
NaZhu_2023-04-02
Geometry3k-294
2
如图所示,∠EFA=63°,F是⊙F的圆心,DF垂直于EF。求⌒FAD的角度。
As shown in the diagram, ∠EFA=63°, F is the center of circle F, DF⊥EF. Find the measure of arc FAD.
290.png
[ "Shape(FCB,BF,FC)", "Shape(FBA,AF,FB)", "Shape(FAE,EF,FA)", "Shape(FED,DF,FE)", "Shape(FDC,CF,FD)", "Cocircular(F,CBAED)" ]
[ "Equal(MeasureOfAngle(EFA),63)", "IsCentreOfCircle(F,F)", "PerpendicularBetweenLine(DF,EF)" ]
[ "Equal(MeasureOfAngle(EFA),63)", "IsCentreOfCircle(F,F)", "PerpendicularBetweenLine(DF,EF)" ]
Value(MeasureOfArc(FAD))
153
[ "angle_addition(1,DFE,EFA)", "arc_property_center_angle(1,FAD,F)" ]
{"START": ["angle_addition(1,DFE,EFA)", "arc_property_center_angle(1,FAD,F)"]}
291
NaZhu_2023-03-12
Geometry3k-295
7
如图所示,AE=2*x+1,CD=DB,EB=3*x-5,CA垂直于EA,DE垂直于BE。求x的值。
As shown in the diagram, AE=2*x+1, CD=DB, EB=3*x-5, CA⊥EA, DE is perpendicular to BE. Find the value of x.
291.png
[ "Shape(BD,DE,EB)", "Shape(DC,CA,AE,ED)", "Collinear(CDB)", "Collinear(AEB)" ]
[ "Equal(LengthOfLine(AE),2*x+1)", "Equal(LengthOfLine(CD),LengthOfLine(DB))", "Equal(LengthOfLine(EB),3*x-5)", "PerpendicularBetweenLine(CA,EA)", "PerpendicularBetweenLine(DE,BE)" ]
[ "Equal(LengthOfLine(AE),2*x+1)", "Equal(LengthOfLine(CD),LengthOfLine(DB))", "Equal(LengthOfLine(EB),3*x-5)", "PerpendicularBetweenLine(CA,EA)", "PerpendicularBetweenLine(DE,BE)" ]
Value(x)
6
[ "parallel_judgment_corresponding_angle(2,AC,ED,B)", "parallel_property_corresponding_angle(1,DE,CA,B)", "similar_triangle_judgment_aa(1,EBD,ABC)", "line_addition(1,BD,DC)", "line_addition(1,BE,EA)", "similar_triangle_property_line_ratio(1,EBD,ABC)", "similar_triangle_property_line_ratio(1,DEB,CAB)" ]
{"START": ["parallel_judgment_corresponding_angle(2,AC,ED,B)", "line_addition(1,BD,DC)", "line_addition(1,BE,EA)"], "parallel_judgment_corresponding_angle(2,AC,ED,B)": ["parallel_property_corresponding_angle(1,DE,CA,B)"], "parallel_property_corresponding_angle(1,DE,CA,B)": ["similar_triangle_judgment_aa(1,EBD,ABC)"], "...
292
NaZhu_2023-03-12
Geometry3k-296
4
如图所示,AB=BY,AB=x,AY=8,∠YAB=y°,AB⊥YB。求x的值。
As shown in the diagram, AB=BY, AB=x, AY=8, ∠YAB=y°, AB⊥YB. Find the value of x.
292.png
[ "Shape(AB,BY,YA)" ]
[ "Equal(LengthOfLine(AB),LengthOfLine(BY))", "Equal(LengthOfLine(AB),x)", "Equal(LengthOfLine(AY),8)", "Equal(MeasureOfAngle(YAB),y)", "PerpendicularBetweenLine(AB,YB)" ]
[ "Equal(LengthOfLine(AB),LengthOfLine(BY))", "Equal(LengthOfLine(AB),x)", "Equal(LengthOfLine(AY),8)", "Equal(MeasureOfAngle(YAB),y)", "PerpendicularBetweenLine(AB,YB)" ]
Value(x)
4*sqrt(2)
[ "isosceles_triangle_judgment_line_equal(1,BYA)", "isosceles_triangle_property_angle_equal(1,BYA)", "triangle_property_angle_sum(1,ABY)", "sine_theorem(1,ABY)" ]
{"START": ["isosceles_triangle_judgment_line_equal(1,BYA)", "triangle_property_angle_sum(1,ABY)", "sine_theorem(1,ABY)"], "isosceles_triangle_judgment_line_equal(1,BYA)": ["isosceles_triangle_property_angle_equal(1,BYA)"]}
293
NaZhu_2023-04-02
Geometry3k-297
0
如图所示,JH=5,JH=y+2,LV=2*x+6,ML=20-5*x,ML=LV,MN=4,QO=3。求x的值。
As shown in the diagram, JH=5, JH=y+2, LV=2*x+6, ML=20-5*x, ML=LV, MN=4, QO=3. Find the value of x.
293.png
[ "Shape(ML,LQ,QB,BM)", "Shape(QL,LV,VU,UQ)", "Collinear(NMLVS)", "Collinear(ABQUY)", "Collinear(GMBP)", "Collinear(CLQO)", "Collinear(JVUH)" ]
[ "Equal(LengthOfLine(JH),5)", "Equal(LengthOfLine(JH),y+2)", "Equal(LengthOfLine(LV),2*x+6)", "Equal(LengthOfLine(ML),20-5*x)", "Equal(LengthOfLine(ML),LengthOfLine(LV))", "Equal(LengthOfLine(MN),4)", "Equal(LengthOfLine(QO),3)" ]
[ "Equal(LengthOfLine(JH),5)", "Equal(LengthOfLine(JH),y+2)", "Equal(LengthOfLine(LV),2*x+6)", "Equal(LengthOfLine(ML),20-5*x)", "Equal(LengthOfLine(ML),LengthOfLine(LV))", "Equal(LengthOfLine(MN),4)", "Equal(LengthOfLine(QO),3)" ]
Value(x)
2
[]
{"START": []}
294
NaZhu_2023-04-02
Geometry3k-298
0
如图所示,∠GJI=∠LON,∠GJI=y+30°,∠HGJ=87°,∠IHG=98°,∠IHG=∠NML,∠JIH=∠ONM,∠LON=60°,∠MLO=x-4°,HGJI与MLON相似。求y的值。
As shown in the diagram, ∠GJI=∠LON, ∠GJI=y+30°, ∠HGJ=87°, ∠IHG=98°, ∠IHG=∠NML, ∠JIH=∠ONM, ∠LON=60°, ∠MLO=x-4°, HGJI is similar to MLON. Find the value of y.
294.png
[ "Shape(IH,HG,GJ,JI)", "Shape(NM,ML,LO,ON)" ]
[ "Equal(MeasureOfAngle(GJI),MeasureOfAngle(LON))", "Equal(MeasureOfAngle(GJI),y+30)", "Equal(MeasureOfAngle(HGJ),87)", "Equal(MeasureOfAngle(IHG),98)", "Equal(MeasureOfAngle(IHG),MeasureOfAngle(NML))", "Equal(MeasureOfAngle(JIH),MeasureOfAngle(ONM))", "Equal(MeasureOfAngle(LON),60)", "Equal(MeasureOfAn...
[ "Equal(MeasureOfAngle(GJI),MeasureOfAngle(LON))", "Equal(MeasureOfAngle(GJI),y+30)", "Equal(MeasureOfAngle(HGJ),87)", "Equal(MeasureOfAngle(IHG),98)", "Equal(MeasureOfAngle(IHG),MeasureOfAngle(NML))", "Equal(MeasureOfAngle(JIH),MeasureOfAngle(ONM))", "Equal(MeasureOfAngle(LON),60)", "Equal(MeasureOfAn...
Value(y)
30
[]
{"START": []}
295
NaZhu_2023-04-02
Geometry3k-299
4
如图所示,∠ACE=∠EAC,∠DBG=136°,∠DEB=47°,∠EFA=63°,∠FED=69°。求∠FAE的大小。
As shown in the diagram, ∠ACE=∠EAC, ∠DBG=136°, ∠DEB=47°, ∠EFA=63°, ∠FED=69°. Find the measure of ∠FAE.
295.png
[ "Shape(FA,AE,EF)", "Shape(AC,CE,EA)", "Shape(DE,EB,BD)", "Collinear(AEBG)", "Collinear(FEC)", "Shape(FE,ED)", "Shape(FE,EB)", "Shape(DB,BG)" ]
[ "Equal(MeasureOfAngle(ACE),MeasureOfAngle(EAC))", "Equal(MeasureOfAngle(DBG),136)", "Equal(MeasureOfAngle(DEB),47)", "Equal(MeasureOfAngle(EFA),63)", "Equal(MeasureOfAngle(FED),69)" ]
[ "Equal(MeasureOfAngle(DBG),136)", "Equal(MeasureOfAngle(DEB),47)", "Equal(MeasureOfAngle(EFA),63)", "Equal(MeasureOfAngle(FED),69)" ]
Value(MeasureOfAngle(FAE))
53
[ "flat_angle(1,AEB)", "angle_addition(1,FED,DEB)", "angle_addition(1,AEF,FEB)", "triangle_property_angle_sum(1,FAE)" ]
{"START": ["flat_angle(1,AEB)", "angle_addition(1,FED,DEB)", "angle_addition(1,AEF,FEB)", "triangle_property_angle_sum(1,FAE)"]}
296
NaZhu_2023-04-02
Geometry3k-300
6
如图所示,RC=x,ST=20,TC=12,R是⊙R的圆心,TS是⊙O的切线。求x的值。
As shown in the diagram, RC=x, ST=20, TC=12, the center of ⊙R is R, TS is the tangent to ⊙R. Find the value of x.
296.png
[ "Shape(RSC,CR,RS)", "Shape(RCS,SR,RC)", "Shape(RCS,CT,TS)", "Collinear(RCT)", "Cocircular(R,SC)" ]
[ "Equal(LengthOfLine(RC),x)", "Equal(LengthOfLine(ST),20)", "Equal(LengthOfLine(TC),12)", "IsCentreOfCircle(R,R)", "IsTangentOfCircle(TS,R)" ]
[ "Equal(LengthOfLine(RC),x)", "Equal(LengthOfLine(ST),20)", "Equal(LengthOfLine(TC),12)", "IsCentreOfCircle(R,R)" ]
Value(x)
32/3
[ "tangent_of_circle_property_perpendicular(2,TS,R,R)", "right_triangle_judgment_angle(1,TSR)", "line_addition(1,RC,CT)", "radius_of_circle_property_length_equal(1,RS,R)", "radius_of_circle_property_length_equal(1,RC,R)", "right_triangle_property_pythagorean(1,TSR)" ]
{"START": ["tangent_of_circle_property_perpendicular(2,TS,R,R)", "line_addition(1,RC,CT)", "radius_of_circle_property_length_equal(1,RS,R)", "radius_of_circle_property_length_equal(1,RC,R)"], "right_triangle_judgment_angle(1,TSR)": ["right_triangle_property_pythagorean(1,TSR)"], "tangent_of_circle_property_perpendicula...
297
NaZhu_2023-03-12
Geometry3k-301
1
如图所示,AB=x,AC=11,BC=9,∠BCA=28°。求x的值。
As shown in the diagram, AB=x, AC=11, BC=9, ∠BCA=28°. Find the value of x.
297.png
[ "Shape(AB,BC,CA)" ]
[ "Equal(LengthOfLine(AB),x)", "Equal(LengthOfLine(AC),11)", "Equal(LengthOfLine(BC),9)", "Equal(MeasureOfAngle(BCA),28)" ]
[ "Equal(LengthOfLine(AB),x)", "Equal(LengthOfLine(AC),11)", "Equal(LengthOfLine(BC),9)", "Equal(MeasureOfAngle(BCA),28)" ]
Value(x)
sqrt(202-198*cos(7*pi/45))
[ "cosine_theorem(1,CAB)" ]
{"START": ["cosine_theorem(1,CAB)"]}
298
NaZhu_2023-04-02
Geometry3k-302
1
如图所示,AC=5*y,AY=2*x-5,CB=3*x-18,YB=2*y+12,AC和YB是平行四边形AYBC的一组对边。求y的值。
As shown in the diagram, AC=5*y, AY=2*x-5, CB=3*x-18, YB=2*y+12, AC and YB are opposite sides of the parallelogram AYBC. Find the value of y.
298.png
[ "Shape(AY,YB,BC,CA)" ]
[ "Equal(LengthOfLine(AC),5*y)", "Equal(LengthOfLine(AY),2*x-5)", "Equal(LengthOfLine(CB),3*x-18)", "Equal(LengthOfLine(YB),2*y+12)", "Parallelogram(AYBC)" ]
[ "Equal(LengthOfLine(AC),5*y)", "Equal(LengthOfLine(AY),2*x-5)", "Equal(LengthOfLine(CB),3*x-18)", "Equal(LengthOfLine(YB),2*y+12)" ]
Value(y)
4
[ "parallelogram_property_opposite_line_equal(1,YBCA)" ]
{"START": ["parallelogram_property_opposite_line_equal(1,YBCA)"]}
299
NaZhu_2023-04-02
Geometry3k-303
3
如图所示,∠BAD=65°,∠DAE=110°,∠EAC=x°,CA⊥BA。求x的值。
As shown in the diagram, ∠BAD=65°, ∠DAE=110°, ∠EAC=x°, CA is perpendicular to BA. Find the value of x.
299.png
[ "Shape(ABC,CA,AB)", "Shape(ADB,BA,AD)", "Shape(ACE,EA,AC)", "Shape(AED,DA,AE)", "Cocircular(A,BCED)" ]
[ "Equal(MeasureOfAngle(BAD),65)", "Equal(MeasureOfAngle(DAE),110)", "Equal(MeasureOfAngle(EAC),x)", "PerpendicularBetweenLine(CA,BA)" ]
[ "Equal(MeasureOfAngle(BAD),65)", "Equal(MeasureOfAngle(DAE),110)", "Equal(MeasureOfAngle(EAC),x)", "PerpendicularBetweenLine(CA,BA)" ]
Value(x)
95
[ "angle_addition(1,CAB,BAD)", "angle_addition(1,CAD,DAE)", "round_angle(1,EAC,CAE)" ]
{"START": ["angle_addition(1,CAB,BAD)", "angle_addition(1,CAD,DAE)", "round_angle(1,EAC,CAE)"]}
300
NaZhu_2023-03-12
Geometry3k-304
6
如图所示,ML=3,PJ=x,HP是三角形MLK的中位线,JH是三角形LKM的中位线,PJ是三角形KML的中位线。求x的值。
As shown in the diagram, ML=3, PJ=x, HP is the midsegment of △ MLK, JH is the midsegment of triangle LKM, PJ is the midsegment of △ KML. Find the value of x.
300.png
[ "Shape(KP,PJ,JK)", "Shape(JP,PH,HJ)", "Shape(PM,MH,HP)", "Shape(JH,HL,LJ)", "Collinear(KPM)", "Collinear(MHL)", "Collinear(KJL)" ]
[ "Equal(LengthOfLine(ML),3)", "Equal(LengthOfLine(PJ),x)", "IsMidsegmentOfTriangle(HP,MLK)", "IsMidsegmentOfTriangle(JH,LKM)", "IsMidsegmentOfTriangle(PJ,KML)" ]
[ "Equal(LengthOfLine(ML),3)", "Equal(LengthOfLine(PJ),x)" ]
Value(x)
3/2
[ "midsegment_of_triangle_property_parallel(1,PJ,KML)", "parallel_property_corresponding_angle(1,PJ,ML,K)", "similar_triangle_judgment_aa(1,JKP,LKM)", "line_addition(1,KP,PM)", "similar_triangle_property_line_ratio(1,KPJ,KML)", "similar_triangle_property_line_ratio(1,JKP,LKM)" ]
{"START": ["midsegment_of_triangle_property_parallel(1,PJ,KML)", "line_addition(1,KP,PM)"], "midsegment_of_triangle_property_parallel(1,PJ,KML)": ["parallel_property_corresponding_angle(1,PJ,ML,K)"], "parallel_property_corresponding_angle(1,PJ,ML,K)": ["similar_triangle_judgment_aa(1,JKP,LKM)"], "similar_triangle_judgm...