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422
[{"role": "user", "question": "As shown in the diagram, the sum of the interior angles of shape ① is ( )", "hint": "", "options": {"A": "180°", "B": "360°", "C": "480°", "D": "720°", "E": "No correct answer"}, "choices": []}]
D
mcq
Sum of Interior Angles of Other Polygons
2steps_62
2steps_2
423
[{"role": "user", "question": "The perimeter of the rectangle below is ( ) centimeters.", "hint": "", "options": {"A": "40", "B": "36", "C": "32", "D": "No correct answer"}, "choices": []}]
C
mcq
Perimeter of Rectangles
2steps_63
2steps_2
424
[{"role": "user", "question": "As shown in the diagram, there are two square stamps issued in the Year of the Rabbit, each with a side length of 3 cm. If these two stamps are placed together side by side, the perimeter of the resulting rectangle is ( ).", "hint": "", "options": {"A": "24 cm", "B": "21 cm", "C": "18 ...
C
mcq
Perimeter of Rectangles
2steps_64
2steps_2
425
[{"role": "user", "question": "As shown in the diagram, two right-angled triangles can be combined to form either a rectangle or a parallelogram, using the shortest side of 3 cm as the common side. The perimeter of the resulting shape is ( ) cm.", "hint": "", "options": {"A": "20", "B": "16", "C": "18", "D": "No cor...
C
mcq
Perimeter of Parallelograms
2steps_65
2steps_2
426
[{"role": "user", "question": "The figure below is composed of two rectangles, each with a length of 6 cm and a width of 2 cm. The shaded area has side lengths a and b as shown in the diagram. What is the area of the shaded part in square centimeters?", "hint": "", "options": {"A": "12", "B": "16", "C": "18", "D": "20"...
B
mcq
Area of Rectangles
2steps_66
2steps_2
427
[{"role": "user", "question": "As shown in the diagram, it is known that the quadrilateral ABEF is formed by joining two trapezoids ABCD together. Compared to the original figures, the perimeter has decreased by a total of 20 cm. If CD = 10 cm, then the area of quadrilateral ABCD is ( ) cm²?", "hint": "", "options": {"...
C
mcq
Area of Trapezoids
2steps_67
2steps_2
428
[{"role": "user", "question": "As shown in the diagram, what is the perimeter of square ABCD in cm?", "hint": "", "options": {"A": "5", "B": "10", "C": "12", "D": "20", "E": "No correct answer"}, "choices": []}]
D
mcq
Perimeter of Squares
2steps_68
2steps_2
429
[{"role": "user", "question": "As shown in the diagram, the quadrilateral ABHG is formed by joining three identical right-angled trapezoids, and its total perimeter is reduced by 40cm. Given that AB+CD=20cm, find the perimeter of the right-angled trapezoid ABCD ( ) cm.", "hint": "", "options": {"A": "11", "B": "20", "C...
D
mcq
Perimeter of Trapezoids
2steps_69
2steps_2
43
[{"role": "user", "question": "As shown in the diagram, B is located 40° north by east of A, and C is located 60° south by east of B. What are the measures of ∠2 and ∠3?", "hint": "", "options": {"A": "40°, 90°", "B": "40°, 60°", "C": "40°, 50°", "D": "40°, 50°", "E": "No correct answer"}, "choices": []}]
B
mcq
Determining the Positions of Objects Based on Direction, Angle, and Distance
2steps_43
2steps_1
430
[{"role": "user", "question": "In the diagram, the width of the rectangle is ( ) m.", "hint": "", "options": {"A": "10", "B": "1", "C": "0.1", "D": "0.01", "E": "No correct answer"}, "choices": []}]
C
mcq
Conversion Rates and Calculations Between Length Units
2steps_70
2steps_2
431
[{"role": "user", "question": "What is the area of the square shown in the diagram (in cm²)?", "hint": "", "options": {"A": "410", "B": "198", "C": "441", "D": "No correct answer"}, "choices": []}]
C
mcq
Area of Squares
2steps_71
2steps_2
432
[{"role": "user", "question": "There is a trapezoid as shown in the diagram. How many angles does this figure have?", "hint": "", "options": {"A": "2", "B": "3", "C": "4", "D": "No correct answer"}, "choices": []}]
C
mcq
Understanding and Representing Angles
2steps_72
2steps_2
433
[{"role": "user", "question": "If a rectangle is cut into two identical squares (as shown in the diagram), then the perimeter of each smaller square is ( ) centimeters.", "hint": "", "options": {"A": "6", "B": "12", "C": "18", "D": "24", "E": "No correct answer"}, "choices": []}]
B
mcq
Perimeter of Squares
2steps_73
2steps_2
434
[{"role": "user", "question": "As shown in the diagram, the perimeter of the rectangular paper is ( ) cm.", "hint": "", "options": {"A": "22", "B": "20", "C": "16", "D": "No correct answer"}, "choices": []}]
C
mcq
Perimeter of Rectangles
2steps_74
2steps_2
435
[{"role": "user", "question": "As shown in the diagram, there is a circular cake with a radius of 5 cm. It is divided into four parts. Compared to the original circumference of the cake, the additional edge length is 2AB+2CD. What is its length in cm?", "hint": "", "options": {"A": "5", "B": "10", "C": "20", "D": "40",...
D
mcq
Understanding Circles
2steps_75
2steps_2
436
[{"role": "user", "question": "As shown in the diagram, there is a rectangular cake measuring 5cm in length and 3cm in width. It is intended to be divided into four parts along lines EF and GH. Compared to the original perimeter of the cake, the additional length added is 2HG + 2EF. What is the length of this additiona...
C
mcq
Properties and Understanding of Rectangles
2steps_76
2steps_2
437
[{"role": "user", "question": "As shown in the diagram, there is a sector-shaped cake with a radius of 5 cm. It is intended to be cut into four parts along OA, OB, and OC. Compared to the original circumference of the cake, the additional edge length can be equivalent to 2OB+2OC+2OD. What is its length in cm?", "hint":...
D
mcq
Understanding Sectors
2steps_77
2steps_2
438
[{"role": "user", "question": "There is a rectangular cake, now divided into four parts along EF and GH, with an additional length of 20cm compared to the original perimeter of the cake, i.e., 2EF + 2GH = 20cm. What was the perimeter of the rectangular cake before it was cut?", "hint": "", "options": {"A": "5 cm", "B":...
C
mcq
Perimeter of Rectangles
2steps_78
2steps_2
439
[{"role": "user", "question": "As shown in the diagram, there is a circular cake, which is now cut into four parts along AB and CD. Compared to the original circumference of the cake, the added edge length is 40cm, i.e., 2AB + 2CD = 40cm. What was the circumference of the circular cake before it was cut (in cm)?", "hin...
B
mcq
Circumference of Circles
2steps_79
2steps_2
44
[{"role": "user", "question": "From the diagram, the bookstore is in the ( ) direction from the school.", "hint": "", "options": {"A": "east by north", "B": "north by west", "C": "west by south", "D": "north", "E": "No correct answer"}, "choices": []}]
A
mcq
Cardinal Directions (East, South, West, North)
2steps_44
2steps_1
440
[{"role": "user", "question": "As shown in the diagram, there is a triangular cake with BC = 10 cm. It is now cut into two parts along AD, and the new edge length added by 2AD = 10 cm. What was the area of the triangular cake before it was cut?", "hint": "", "options": {"A": "25 square centimeters", "B": "10 square cen...
A
mcq
Area of Triangles
2steps_80
2steps_2
441
[{"role": "user", "question": "As shown in the diagram, the figure is divided along the dashed line into two shapes: a trapezoid and a triangle. Are both shapes capable of tiling a plane? ()", "hint": "", "options": {"A": "Yes, both are capable of tiling a plane", "B": "No, one can tile a plane, the other cannot", "C":...
A
mcq
Tessellation of Figures
2steps_81
2steps_2
442
[{"role": "user", "question": "The diameter and height of the base of a cylindrical object are shown in the diagram. The surface area of the cylinder is ( ) dm².", "hint": "", "options": {"A": "18π", "B": "48π", "C": "72π", "D": "132π", "E": "No correct answer"}, "choices": []}]
B
mcq
Surface Area of Cylinders
2steps_82
2steps_2
443
[{"role": "user", "question": "As shown in the diagram, a cuboid is cut into 4 smaller cuboids, resulting in an increase of 30 square decimeters in surface area, which is equivalent to the area of 6 faces. The volume of the original cuboid was ( ) cubic decimeters.", "hint": "", "options": {"A": "5", "B": "6", "C": ...
C
mcq
Volume and Capacity of Rectangular Cuboids
2steps_83
2steps_2
444
[{"role": "user", "question": "If a rectangular block of wood as shown in the diagram is sawed into two cubes, and the entire surface is to be painted, the increase in surface area is equivalent to the surface area of 2 small squares. How many more square centimeters of paint is needed compared to the original?", "hint...
B
mcq
Surface Area of Cubes
2steps_84
2steps_2
445
[{"role": "user", "question": "The surface area of the small cube in the diagram is ( ) square centimeters.", "hint": "", "options": {"A": "90", "B": "54", "C": "108", "D": "No correct answer"}, "choices": []}]
B
mcq
Surface Area of Cubes
2steps_85
2steps_2
446
[{"role": "user", "question": "If a cube with a surface area of 90 cm² is cut twice (as shown in the diagram), resulting in several smaller rectangular solids, and if this process adds the area of 4 small squares, then the total surface area of these smaller rectangular solids compared to the original cube's surface ar...
C
mcq
Surface Area of Cubes
2steps_86
2steps_2
447
[{"role": "user", "question": "The total length of the edges of this cube is ( ).", "hint": "", "options": {"A": "12h", "B": "6h", "C": "14h", "D": "No correct answer"}, "choices": []}]
A
mcq
Properties and Understanding of Cubes
2steps_87
2steps_2
448
[{"role": "user", "question": "If you cut the largest possible cube from a rectangular cuboid, and the edge length of this cube is 4 cm, what is the total length of all the edges of the cube?", "hint": "", "options": {"A": "48 cm", "B": "72 cm", "C": "96 cm", "D": "No correct answer"}, "choices": []}]
A
mcq
Properties and Understanding of Cubes
2steps_88
2steps_2
449
[{"role": "user", "question": "A rectangular cuboid has a length of 20 cm and a base area as shown in the diagram. Its volume is ( ) cubic centimeters.", "hint": "", "options": {"A": "1600", "B": "800", "C": "400", "D": "200", "E": "No correct answer"}, "choices": []}]
C
mcq
Volume and Capacity of Rectangular Cuboids
2steps_89
2steps_2
45
[{"role": "user", "question": "As shown in the diagram, A is directly south of B, and C is directly west of A. What is the measure of ∠BAC?", "hint": "", "options": {"A": "30°", "B": "60°", "C": "75°", "D": "90°", "E": "No correct answer"}, "choices": []}]
D
mcq
Cardinal Directions (East, South, West, North)
2steps_45
2steps_1
450
[{"role": "user", "question": "As shown in the diagram, a rectangular block with a length of 4 cm, width of 2 cm, and height of 3 cm is cut along the dashed line into two smaller rectangular blocks. After the cut, the surface area increased by ( ) cm².", "hint": "", "options": {"A": "8", "B": "12", "C": "16", "D": "...
D
mcq
Surface Area of Rectangular Cuboids
2steps_90
2steps_2
451
[{"role": "user", "question": "The figure below shows a rectangular cubiod. If it is cut into two identical rectangular cubiods along the middle dashed line, the increased surface area is ( ).", "hint": "", "options": {"A": "160", "B": "240", "C": "300", "D": "700", "E": "No correct answer"}, "choices": []}]
B
mcq
Surface Area of Rectangular Cuboids
2steps_91
2steps_2
452
[{"role": "user", "question": "As shown in the diagram, four identical small cylinders are combined to form a larger cylinder that is 40 cm long. It is known that the surface area is reduced by 169.56 cm² (6 cylindrical cross-sections). What is the volume of each small cylinder in cm³?(π = 3.14)", "hint": "", "options"...
B
mcq
Volume and Capacity of Cylinders
2steps_92
2steps_2
453
[{"role": "user", "question": "As shown in the diagram, what is the volume of the cylinder?", "hint": "", "options": {"A": "40 cm³", "B": "20 cm³", "C": "30 cm³", "D": "No correct answer"}, "choices": []}]
A
mcq
Surface Area of Cylinders
2steps_93
2steps_2
454
[{"role": "user", "question": "The area of the annular sector is ( ) square decimeters. (π is taken as 3.14)", "hint": "", "options": {"A": "10.99", "B": "5.495", "C": "7.065", "D": "12.56", "E": "No correct answer"}, "choices": []}]
A
mcq
Area of Circles
2steps_94
2steps_2
455
[{"role": "user", "question": "As shown in the diagram, how is image ① transformed to obtain image ②?", "hint": "", "options": {"A": "Shift 1 grid to the left", "B": "Shift 2 grids to the left", "C": "Shift 1 grid to the right", "D": "No correct answer"}, "choices": []}]
B
mcq
Translation
2steps_95
2steps_2
456
[{"role": "user", "question": "As shown in the diagram, how do you transform figure A into figure B?", "hint": "", "options": {"A": "Translate 10 units to the right", "B": "Translate 9 units to the right", "C": "Translate 8 units to the right", "D": "Translate 7 units to the right", "E": "No correct answer"}, "choices"...
A
mcq
Translation
2steps_96
2steps_2
457
[{"role": "user", "question": "As shown in the diagram, shape B is obtained by translating shape A to the right by ( ) squares. ① 5; ② 6", "hint": "", "options": {"A": "①", "B": "②", "C": "Cannot be determined", "D": "No correct answer"}, "choices": []}]
A
mcq
Translation
2steps_97
2steps_2
458
[{"role": "user", "question": "As shown in the diagram, figure 1 can be considered as obtained from figure 2 by ( ).", "hint": "", "options": {"A": "Clockwise rotation", "B": "Reflection (across line L)", "C": "Counterclockwise rotation", "D": "Translating upwards by five units", "E": "No correct answer"}, "choices"...
B
mcq
Axial Symmetry
2steps_98
2steps_2
459
[{"role": "user", "question": "The shape ABCD in the diagram below is a ( ).", "hint": "", "options": {"A": "Rectangle", "B": "Trapezoid", "C": "Parallelogram", "D": "Cannot be determined", "E": "No correct answer"}, "choices": []}]
B
mcq
Properties and Understanding of Trapezoids
2steps_99
2steps_2
46
[{"role": "user", "question": "As shown in the diagram, Mike starts from point B, first goes directly north from B, then directly east from B, and finally returns to point B. The shape formed by the path he walks is ( ).", "hint": "", "options": {"A": "Triangle", "B": "Parallelogram", "C": "Square", "D": "Trapezoid", "...
A
mcq
Cardinal Directions (East, South, West, North)
2steps_46
2steps_1
460
[{"role": "user", "question": "In the diagram below, what is the area of the shaded part?", "hint": "", "options": {"A": "10dm²", "B": "15dm²", "C": "20dm²", "D": "25dm²", "E": "No correct answer"}, "choices": []}]
D
mcq
Area of Squares
2steps_100
2steps_2
461
[{"role": "user", "question": "In the diagram below, both squares have a side length of 5cm. The area of the shaded part is ( ) cm².", "hint": "", "options": {"A": "25", "B": "20", "C": "10", "D": "No correct answer"}, "choices": []}]
A
mcq
Area of Squares
2steps_101
2steps_2
462
[{"role": "user", "question": "In the diagram, shape C transforms into shape B. Which of the following descriptions is correct?", "hint": "", "options": {"A": "Shape C is transformed into shape B by a reflection across the line containing its diameter", "B": "Shape C is transformed into shape B by rotating 90 degrees c...
A
mcq
Axial Symmetry
2steps_102
2steps_2
463
[{"role": "user", "question": "As shown in the diagram, triangle ABC is first translated 4 units to the right and then 3 units upward to obtain figure ②. The position of vertex A after the translation, represented as a coordinate pair, is ( ).", "hint": "", "options": {"A": "(5, 4)", "B": "(8, 5)", "C": "(7, 7)", "D": ...
C
mcq
Representing Positions Using Ordered Pairs
2steps_103
2steps_2
464
[{"role": "user", "question": "As shown in the diagram, triangle ABC is translated downward by 2 units to obtain triangle A'B'C'. The position of vertex A' expressed as a coordinate pair is ( )", "hint": "", "options": {"A": "(3,2)", "B": "(5,2)", "C": "(2,5)", "D": "(2,3)", "E": "No correct answer"}, "choices": []}...
D
mcq
Representing Positions Using Ordered Pairs
2steps_104
2steps_2
465
[{"role": "user", "question": "As shown in the diagram, shape A is transformed into shape C by ______.", "hint": "", "options": {"A": "Rotating 90° counterclockwise around point O", "B": "Rotating 90° clockwise around point O", "C": "Rotating 45° clockwise around point O", "D": "No correct answer"}, "choices": []}]
B
mcq
Rotation
2steps_105
2steps_2
466
[{"role": "user", "question": "What is the shape obtained by rotating Shape A 90 degrees clockwise around the center?", "hint": "", "options": {"A": "B", "B": "C", "C": "D", "D": "No correct answer"}, "choices": []}]
B
mcq
Rotation
2steps_106
2steps_2
467
[{"role": "user", "question": "Given that triangle ABC is translated upwards by 3 units to obtain triangle A'B'C', triangle A'B'C' is ( )", "hint": "", "options": {"A": "Right triangle", "B": "Acute triangle", "C": "Obtuse triangle", "D": "Isosceles triangle", "E": "No correct answer"}, "choices": []}]
C
mcq
Properties and Understanding of Triangles
2steps_107
2steps_2
468
[{"role": "user", "question": "In the diagram, the area of the shaded part is ( ) cm².", "hint": "", "options": {"A": "5 cm²", "B": "6 cm²", "C": "8 cm²", "D": "No correct answer"}, "choices": []}]
B
mcq
Area of Rectangles
2steps_108
2steps_2
469
[{"role": "user", "question": "If AB + AD = 7, and the polyline in the diagram (composed of all the thick black line segments) can be translated to completely coincide with AB and BC, then the length of the polyline in the diagram is:", "hint": "", "options": {"A": "14", "B": "7", "C": "12", "D": "18", "E": "No correct...
B
mcq
Properties and Understanding of Parallelograms
2steps_109
2steps_2
47
[{"role": "user", "question": "In the diagram, the point south of point E is point ( ).", "hint": "", "options": {"A": "A", "B": "E", "C": "C", "D": "G", "E": "No correct answer"}, "choices": []}]
D
mcq
Cardinal Directions (East, South, West, North)
2steps_47
2steps_1
470
[{"role": "user", "question": "What is the area of the shaded part in the diagram (in dm²)?", "hint": "", "options": {"A": "8", "B": "6", "C": "4", "D": "2", "E": "No correct answer"}, "choices": []}]
C
mcq
Area of Squares
2steps_110
2steps_2
471
[{"role": "user", "question": "In the diagram, the area of the shaded part is ( ) cm².", "hint": "", "options": {"A": "16", "B": "17", "C": "18", "D": "19", "E": "No correct answer"}, "choices": []}]
A
mcq
Area of Parallelograms
2steps_111
2steps_2
472
[{"role": "user", "question": "As shown in the diagram, six small squares form a shape, where the position of small square A is represented by the coordinate pair (5, 4). Now, small square A is moved to another position A'. What is the coordinate of position A'?", "hint": "", "options": {"A": "(3, 2)", "B": "(3, 4)", "...
A
mcq
Representing Positions Using Ordered Pairs
2steps_112
2steps_2
473
[{"role": "user", "question": "If the figure ABCD is reflected across the axis BC to form the figure BCGH, what is the total perimeter of the combined figure ABCD and BCHG in centimeters?", "hint": "", "options": {"A": "12", "B": "18", "C": "10", "D": "22", "E": "No correct answer"}, "choices": []}]
A
mcq
Perimeter of Rectangles
2steps_113
2steps_2
474
[{"role": "user", "question": "As shown in the diagram, the figure ABC is reflected across the axis BC to form the figure BCE. Triangle BCE and triangle ABC together form a parallelogram. What is the perimeter of this parallelogram?", "hint": "", "options": {"A": "9", "B": "12", "C": "15", "D": "18", "E": "No correct a...
B
mcq
Perimeter of Parallelograms
2steps_114
2steps_2
475
[{"role": "user", "question": "As shown in the diagram, AD is the axis of symmetry for triangle ABC. What is the perimeter of triangle ABC in cm?", "hint": "", "options": {"A": "12", "B": "10", "C": "14", "D": "16", "E": "No correct answer"}, "choices": []}]
D
mcq
Perimeter of Triangles
2steps_115
2steps_2
476
[{"role": "user", "question": "As shown in the diagram, HG is the axis of symmetry for trapezoid ABCD. What is the perimeter of the trapezoid? (in cm)", "hint": "", "options": {"A": "26", "B": "24", "C": "20", "D": "18", "E": "No correct answer"}, "choices": []}]
B
mcq
Perimeter of Trapezoids
2steps_116
2steps_2
477
[{"role": "user", "question": "As shown in the diagram, HG is the axis of symmetry for quadrilateral ABCD, meaning AC = BD. What shape is quadrilateral ABCD? ()", "hint": "", "options": {"A": "Square", "B": "Rectangle", "C": "Isosceles trapezoid", "D": "Right trapezoid", "E": "No correct answer"}, "choices": []}]
C
mcq
Properties and Understanding of Trapezoids
2steps_117
2steps_2
478
[{"role": "user", "question": "As shown in the diagram, EF is the axis of symmetry for quadrilateral ABCD. What is the perimeter of parallelogram ABFD in cm?", "hint": "", "options": {"A": "12", "B": "10", "C": "14", "D": "16", "E": "No correct answer"}, "choices": []}]
D
mcq
Perimeter of Parallelograms
2steps_118
2steps_2
479
[{"role": "user", "question": "As shown in the diagram, a 4m wide path is laid around the perimeter of a semicircular lawn. Given that the radius of the path is 24m, what is the area of the path in square meters? The correct formula to calculate this is ( ).(π = 3.14)", "hint": "", "options": {"A": "3.14 × (24^2 - 2...
A
mcq
Area of Circles
2steps_119
2steps_2
48
[{"role": "user", "question": "To get from point A to point B, in which direction should you go?", "hint": "", "options": {"A": "Northeast", "B": "North-South", "C": "Northwest", "D": "North", "E": "No correct answer"}, "choices": []}]
A
mcq
Southeast, Southwest, Northeast, Northwest Directions
2steps_48
2steps_1
480
[{"role": "user", "question": "Two small circles with equal radii are arranged as shown in the rectangle below. What is the perimeter of the rectangle in centimeters?", "hint": "", "options": {"A": "Cannot be calculated", "B": "8", "C": "10", "D": "12", "E": "No correct answer"}, "choices": []}]
D
mcq
Perimeter of Rectangles
2steps_120
2steps_2
481
[{"role": "user", "question": "As shown in the diagram, 2.5 circles with the same diameter are drawn inside a rectangle. If the radius of each circle is 2 cm, what is the width of the rectangle (in cm)?", "hint": "", "options": {"A": "2.5", "B": "2", "C": "6", "D": "4", "E": "No correct answer"}, "choices": []}]
D
mcq
Properties and Understanding of Rectangles
2steps_121
2steps_2
482
[{"role": "user", "question": "When using a compass to draw line segments, how many line segments are there in total in the diagram on the right? ", "hint": "", "options": {"A": "3", "B": "4", "C": "5", "D": "No correct answer"}, "choices": []}]
B
mcq
Understanding Line Segments, Lines, and Rays
2steps_122
2steps_2
483
[{"role": "user", "question": "As shown in the diagram, it is known that C and D are the centers of two circles, and A and B are points on the two circles, respectively. The circumference of circle C is ( ). (π = 3.14)", "hint": "", "options": {"A": "12 cm", "B": "25.12 cm", "C": "31.4 cm", "D": "62.8 cm", "E": "No cor...
B
mcq
Circumference of Circles
2steps_123
2steps_2
484
[{"role": "user", "question": "As shown in the diagram, a circular frame is made from a segment of wire. If the segment CD is cut from the wire and used to form a cube, what is the edge length of the cube in centimeters?", "hint": "", "options": {"A": "4 cm", "B": "5 cm", "C": "1 cm", "D": "No correct answer"}, "choice...
C
mcq
Properties and Understanding of Cubes
2steps_124
2steps_2
485
[{"role": "user", "question": "The white part in the diagram is composed of 4 identical sectors, which can be assembled into a circle. The area of the white part is ( ).", "hint": "", "options": {"A": "π", "B": "3π", "C": "9π", "D": "36π", "E": "No correct answer"}, "choices": []}]
C
mcq
Area of Circles
2steps_125
2steps_2
486
[{"role": "user", "question": "As shown in the diagram, the area of the shaded sector is ( ) square centimeters.", "hint": "", "options": {"A": "π", "B": "2π", "C": "16π", "D": "4π", "E": "No correct answer"}, "choices": []}]
D
mcq
Area of Sectors
2steps_126
2steps_2
487
[{"role": "user", "question": "In the diagram B, the shaded area is a sector. Its radius is ( ) m.", "hint": "", "options": {"A": "0.07", "B": "0.4", "C": "0.04", "D": "0.03", "E": "No correct answer"}, "choices": []}]
C
mcq
Conversion Rates and Calculations Between Length Units
2steps_127
2steps_2
488
[{"role": "user", "question": "In parallelogram ABCD, if ∠A = 60°, what is the measure of ∠C?", "hint": "", "options": {"A": "30°", "B": "60°", "C": "90°", "D": "45°", "E": "No correct answer"}, "choices": []}]
B
mcq
Properties and Understanding of Parallelograms
2steps_128
2steps_2
489
[{"role": "user", "question": "As shown in the diagram, it is known that EG = 3cm, and line l1 is parallel to line l2. What is the length of AB in cm?", "hint": "", "options": {"A": "3", "B": "4", "C": "5", "D": "6", "E": "No correct answer"}, "choices": []}]
A
mcq
Parallel
2steps_129
2steps_2
49
[{"role": "user", "question": "To walk from the zoo to the school, you should head ( ).", "hint": "", "options": {"A": "Northeast", "B": "Southeast", "C": "Northwest", "D": "Southwest", "E": "No correct answer"}, "choices": []}]
B
mcq
Southeast, Southwest, Northeast, Northwest Directions
2steps_49
2steps_1
490
[{"role": "user", "question": "As shown in the diagram, using the width of this rectangle as the height of a cylinder, the rectangle is rolled into a cylinder without top and bottom faces. What is the surface area of this cylinder?", "hint": "", "options": {"A": "10π", "B": "20π", "C": "28π", "D": "No correct answer"},...
A
mcq
Surface Area of Cylinders
2steps_130
2steps_2
491
[{"role": "user", "question": "As shown in the diagram, what is the area of the sector?", "hint": "", "options": {"A": "4π", "B": "2π", "C": "8π", "D": "No correct answer"}, "choices": []}]
A
mcq
Area of Sectors
2steps_131
2steps_2
492
[{"role": "user", "question": "As shown in the diagram, what is the area of the base of this cone?", "hint": "", "options": {"A": "π", "B": "4π", "C": "8π", "D": "No correct answer"}, "choices": []}]
A
mcq
Properties of Cones
2steps_132
2steps_2
493
[{"role": "user", "question": "Given that AE is perpendicular to BC, the shortest path from A to BC is ( )", "hint": "", "options": {"A": "AB", "B": "AC", "C": "AD", "D": "AE", "E": "No correct answer"}, "choices": []}]
D
mcq
Distance Between Two Points
2steps_133
2steps_2
494
[{"role": "user", "question": "As shown in the diagram, AB is perpendicular to BD. Among the following three line segments, the shortest one is ( ).", "hint": "", "options": {"A": "AB", "B": "AC", "C": "AD", "D": "No correct answer"}, "choices": []}]
A
mcq
Distance Between Two Points
2steps_134
2steps_2
495
[{"role": "user", "question": "As shown in the diagram, AB is perpendicular to AC. What is the distance from point C to line AB in centimeters?", "hint": "", "options": {"A": "3 cm", "B": "4 cm", "C": "5 cm", "D": "No correct answer"}, "choices": []}]
A
mcq
Distance Between Two Points
2steps_135
2steps_2
496
[{"role": "user", "question": "As shown in the diagram, it is known that OA is perpendicular to OC. To make OB coincide with OC, how should segment OB be manipulated?", "hint": "", "options": {"A": "Rotate 90° clockwise", "B": "Rotate 45° counterclockwise", "C": "Rotate 90° counterclockwise", "D": "Rotate 45° clockwise...
B
mcq
Rotation
2steps_136
2steps_2
497
[{"role": "user", "question": "If EF is perpendicular to side b, then EF is the ( ) of the parallelogram?", "hint": "", "options": {"A": "Side a", "B": "Side c", "C": "Height", "D": "No correct answer"}, "choices": []}]
C
mcq
Properties and Understanding of Parallelograms
2steps_137
2steps_2
498
[{"role": "user", "question": "If EF is perpendicular to side b, then EF is the trapezoid's ( )", "hint": "", "options": {"A": "side a", "B": "side c", "C": "height", "D": "No correct answer"}, "choices": []}]
C
mcq
Properties and Understanding of Trapezoids
2steps_138
2steps_2
499
[{"role": "user", "question": "As shown in the diagram, two triangular boards are arranged to form a shape, with ∠1 + ∠2 = 90°. Then, line segment AB is ( ) to CD.", "hint": "", "options": {"A": "Perpendicular", "B": "Parallel", "C": "Cannot be determined", "D": "No correct answer"}, "choices": []}]
A
mcq
Understanding Triangular Rulers
2steps_139
2steps_2
5
[{"role": "user", "question": "As shown in the diagram, if the circumference of a circle is 6.28 cm, then the radius of the circle is ( ) cm.", "hint": "", "options": {"A": "1 cm", "B": "1.5 cm", "C": "3.14 cm", "D": "6.28 cm", "E": "No correct answer"}, "choices": []}]
A
mcq
Circumference of Circles
2steps_5
2steps_1
50
[{"role": "user", "question": "Given that point A is located to the southeast of point B, and point C is located to the southwest of point A, what is the measure of angle BAC?", "hint": "", "options": {"A": "30°", "B": "60°", "C": "75°", "D": "90°", "E": "No correct answer"}, "choices": []}]
D
mcq
Southeast, Southwest, Northeast, Northwest Directions
2steps_50
2steps_1
500
[{"role": "user", "question": "As shown in the diagram, to get from point A to point B and must pass through point C, which route should be taken?", "hint": "", "options": {"A": "First walk 3m in the southwest direction, then walk 3m in the northeast direction", "B": "First walk 3m in the northeast direction, then walk...
C
mcq
Describing Simple Routes Based on Direction and Distance
2steps_140
2steps_2
501
[{"role": "user", "question": "Given that there are 6 line segments on AD, the total number of triangles in the diagram is ( ).", "hint": "", "options": {"A": "1", "B": "6", "C": "7", "D": "8", "E": "No correct answer"}, "choices": []}]
B
mcq
Properties and Understanding of Triangles
2steps_141
2steps_2
502
[{"role": "user", "question": "Given that there are 10 line segments on line segment BF, the total number of triangles in the diagram is ( ).", "hint": "", "options": {"A": "7", "B": "9", "C": "8", "D": "10", "E": "No correct answer"}, "choices": []}]
D
mcq
Properties and Understanding of Triangles
2steps_142
2steps_2
503
[{"role": "user", "question": "As shown in the diagram, only B is a line segment, and its length is ( ) cm.", "hint": "", "options": {"A": "4", "B": "8", "C": "2", "D": "3", "E": "No correct answer"}, "choices": []}]
A
mcq
Understanding Length (Using a Ruler)
2steps_143
2steps_2
504
[{"role": "user", "question": "What is the length of line segment AB in the diagram ② (cm)?", "hint": "", "options": {"A": "4", "B": "300", "C": "400", "D": "Cannot be determined", "E": "No correct answer"}, "choices": []}]
C
mcq
Conversion Rates and Calculations Between Length Units
2steps_144
2steps_2
505
[{"role": "user", "question": "As shown in the diagram, the direction of ray l1 is ( )", "hint": "", "options": {"A": "Due South", "B": "45° North by West", "C": "45° East by South", "D": "45° East by North", "E": "No correct answer"}, "choices": []}]
D
mcq
Describing Simple Routes Based on Direction and Distance
2steps_145
2steps_2
506
[{"role": "user", "question": "As shown in the diagram, what is the measure of the largest angle in this figure? ", "hint": "", "options": {"A": "150°", "B": "120°", "C": "20°", "D": "No correct answer"}, "choices": []}]
A
mcq
Calculation and Comparison of Angles
2steps_146
2steps_2
507
[{"role": "user", "question": "As shown in the diagram, to reach line l from point O along OC, one should ( )", "hint": "", "options": {"A": "Walk in the due north direction", "B": "Walk in the north by east direction", "C": "Walk in the east by north direction", "D": "No correct answer"}, "choices": []}]
A
mcq
Cardinal Directions (East, South, West, North)
2steps_147
2steps_2
508
[{"role": "user", "question": "As shown in the diagram, the shortest distance from point A to point B is 5 cm, segment ② = 5 cm. What is the perimeter of square ABCD in cm?", "hint": "", "options": {"A": "12", "B": "10", "C": "14", "D": "20", "E": "No correct answer"}, "choices": []}]
D
mcq
Perimeter of Squares
2steps_148
2steps_2
509
[{"role": "user", "question": "As shown in the diagram, the line connecting two points A and B on a circle passes through the center of the circle, and the shortest distance from A to B is 5 cm. If path ② = 5 cm, what is the radius of the circle? ", "hint": "", "options": {"A": "2.5 cm", "B": "5 cm", "C": "10 cm", "D"...
A
mcq
Understanding Circles
2steps_149
2steps_2
51
[{"role": "user", "question": "As shown in the diagram, the southeast direction from point E is point ( )", "hint": "", "options": {"A": "A", "B": "B", "C": "C", "D": "D", "E": "No correct answer"}, "choices": []}]
D
mcq
Southeast, Southwest, Northeast, Northwest Directions
2steps_51
2steps_1
510
[{"role": "user", "question": "As shown in the diagram, the line connecting two points A and B on a circle passes through the center of the circle, and the shortest distance from A to B is 5 cm. If path ③ = 5 cm, what is the circumference of the circle? ( ) cm", "hint": "", "options": {"A": "5π", "B": "4π", "C": "3π", ...
A
mcq
Circumference of Circles
2steps_150
2steps_2
511
[{"role": "user", "question": "There are three roads from point M to point N, with road B being the shortest. What is the length of road B in kilometers?", "hint": "", "options": {"A": "100", "B": "120", "C": "0.1", "D": "0.12", "E": "No correct answer"}, "choices": []}]
C
mcq
Conversion Rates and Calculations Between Length Units
2steps_151
2steps_2