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783
[{"role": "user", "question": "Assemble the shapes below into a rectangle. What is the perimeter (in centimeters)?", "hint": "", "options": {"A": "40", "B": "36", "C": "32", "D": "No correct answer"}, "choices": []}]
C
mcq
Combining Plane Figures;Perimeter of Rectangles
2steps_63
2steps_multi
784
[{"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 joined together to form a rectangle, what is the perimeter of the resulting rectangle?", "hint": "", "options": {"A": "24 cm", "B": "21 cm", "C":...
C
mcq
Combining Plane Figures;Perimeter of Rectangles
2steps_64
2steps_multi
785
[{"role": "user", "question": "As shown in the diagram, two right-angled triangles can be combined to form either a rectangle or a parallelogram. The maximum perimeter of the resulting shape is ( ) cm.", "hint": "", "options": {"A": "20", "B": "16", "C": "18", "D": "No correct answer"}, "choices": []}]
C
mcq
Combining Plane Figures;Perimeter of Parallelograms
2steps_65
2steps_multi
786
[{"role": "user", "question": "The figure below is composed of two rectangles, each with a length of 6 cm and a width of 2 cm. What is the area of the shaded part in square centimeters?", "hint": "", "options": {"A": "12", "B": "16", "C": "18", "D": "20", "E": "No correct answer"}, "choices": []}]
B
mcq
Combining Plane Figures;Area of Rectangles
2steps_66
2steps_multi
787
[{"role": "user", "question": "As shown in the diagram, it is known that the quadrilateral ABEF is formed by joining two identical trapezoids ABCD. Compared to the original figures, the perimeter of the resulting figure has decreased by a total of 20 cm. What is the area of the quadrilateral ABCD in cm²?", "hint": "", ...
C
mcq
Combining Plane Figures;Area of Trapezoids
2steps_67
2steps_multi
788
[{"role": "user", "question": "As shown in the diagram, the quadrilateral AFGE is composed of four identical squares stitched together. If the total perimeter is reduced by 40 cm, what is the perimeter of square ABCD in cm?", "hint": "", "options": {"A": "5", "B": "10", "C": "12", "D": "20", "E": "No correct answer"}, ...
D
mcq
Combining Plane Figures;Perimeter of Squares
2steps_68
2steps_multi
789
[{"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. What is the perimeter of the right-angled trapezoid ABCD in cm?", "hint": "", "options": {"A": "11", "B": "20", "C": "21", "D": "31", "...
D
mcq
Combining Plane Figures;Perimeter of Trapezoids
2steps_69
2steps_multi
79
[{"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 new edge length added is 40cm. This 40cm is equivalent to the length of ( )?", "hint": "", "options": {"A": "4AB+4CD", "B": "AB+CD",...
C
mcq
Division of Plane Figures
2steps_79
2steps_1
790
[{"role": "user", "question": "As shown in the diagram, two small rectangles are joined to form a larger rectangle. Compared to the original shapes, the perimeter has decreased by 20 cm. What is the width of the rectangle in meters?", "hint": "", "options": {"A": "10", "B": "1", "C": "0.1", "D": "0.01", "E": "No correc...
C
mcq
Combining Plane Figures;Conversion Rates and Calculations Between Length Units
2steps_70
2steps_multi
791
[{"role": "user", "question": "Given a rectangular sheet of paper (as shown in the diagram), if the largest possible square is cut from this sheet, the area of this square is ( ) square centimeters.", "hint": "", "options": {"A": "30", "B": "70", "C": "441", "D": "900", "E": "No correct answer"}, "choices": []}]
C
mcq
Division of Plane Figures;Area of Squares
2steps_71
2steps_multi
792
[{"role": "user", "question": "As shown in the diagram, after cutting a triangle from another triangle, there are ( ) angles remaining.", "hint": "", "options": {"A": "3", "B": "4", "C": "5", "D": "No correct answer"}, "choices": []}]
B
mcq
Division of Plane Figures;Understanding and Representing Angles
2steps_72
2steps_multi
793
[{"role": "user", "question": "A rectangle is cut into two identical squares (as shown in the diagram). The combined perimeter of these two squares is 6 centimeters more than the perimeter of the original rectangle. The perimeter of each square now is ( ) centimeters.", "hint": "", "options": {"A": "6", "B": "12", "...
B
mcq
Division of Plane Figures;Perimeter of Squares
2steps_73
2steps_multi
794
[{"role": "user", "question": "A rectangular piece of paper is 8 cm long and 5 cm wide. After cutting out the largest possible square from it, the perimeter of the remaining figure is ( ) cm.", "hint": "", "options": {"A": "22", "B": "20", "C": "16", "D": "No correct answer"}, "choices": []}]
C
mcq
Division of Plane Figures;Perimeter of Rectangles
2steps_74
2steps_multi
795
[{"role": "user", "question": "As shown in the diagram, there is a circular cake with a radius of 5 cm. Now, it is desired to divide it into four parts and package each part separately. Compared to the original circumference of the cake, the additional length added is ( ) cm.", "hint": "", "options": {"A": "5", "B": "1...
D
mcq
Division of Plane Figures;Understanding Circles
2steps_75
2steps_multi
796
[{"role": "user", "question": "As shown in the diagram, there is a rectangular cake measuring 5cm in length and 3cm in width. If it is divided into four parts along lines EF and GH, how many centimeters are added to the original perimeter of the cake?", "hint": "", "options": {"A": "5 cm", "B": "10 cm", "C": "16 cm", "...
C
mcq
Division of Plane Figures;Properties and Understanding of Rectangles
2steps_76
2steps_multi
797
[{"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 length of the edges is ( ) cm.", "hint": "", "options": {"A": "5", "B": "10", "C"...
D
mcq
Division of Plane Figures;Understanding Sectors
2steps_77
2steps_multi
798
[{"role": "user", "question": "As shown in the diagram, there is a rectangular cake. It is now cut into four parts along EF and GH. If the total new edge length added is 20cm compared to the original perimeter of the cake, what was the perimeter of the rectangular cake before cutting?", "hint": "", "options": {"A": "5 ...
C
mcq
Division of Plane Figures;Perimeter of Rectangles
2steps_78
2steps_multi
799
[{"role": "user", "question": "As shown in the diagram, there is a circular cake, which is now cut into four parts along AB and CD. If the new edge length added is 40cm, what was the original circumference of the circular cake in cm?", "hint": "", "options": {"A": "5π", "B": "10π", "C": "20π", "D": "40π", "E": "No corr...
B
mcq
Division of Plane Figures;Circumference of Circles
2steps_79
2steps_multi
8
[{"role": "user", "question": "As shown in the diagram, the radius of the circular iron sheet is 5cm. Its circumference is ( )(π = 3.14)", "hint": "", "options": {"A": "31.4", "B": "3.14", "C": "62.8", "D": "40", "E": "No correct answer"}, "choices": []}]
A
mcq
Circumference of Circles
2steps_8
2steps_1
80
[{"role": "user", "question": "As shown in the diagram, there is a triangular cake with BC = 10 cm. Now, it is cut into two parts along AD, adding 10 cm to the original perimeter of the cake. This additional 10 cm is equivalent to the length of ( )?", "hint": "", "options": {"A": "4AD", "B": "AD", "C": "2AD", "D": "No ...
C
mcq
Division of Plane Figures
2steps_80
2steps_1
800
[{"role": "user", "question": "As shown in the diagram, there is a triangular cake with BC = 10 cm. Now, it is cut into two parts along AD, adding 10 cm to the original perimeter of the cake. What was the area of the triangular cake before it was cut (in square centimeters)?", "hint": "", "options": {"A": "25", "B": "1...
A
mcq
Division of Plane Figures;Area of Triangles
2steps_80
2steps_multi
801
[{"role": "user", "question": "As shown in the diagram, after dividing the figure along the dashed line, are both resulting figures 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": "Neither can tile a plane", ...
A
mcq
Division of Plane Figures;Tessellation of Figures
2steps_81
2steps_multi
802
[{"role": "user", "question": "A cylindrical piece of wood with a height of 5 decimeters is cut into two parts along a diameter perpendicular to the base (as shown in the diagram). As a result, the surface area increases by 60 square decimeters. What was the original surface area of the cylindrical piece of wood?", "hi...
B
mcq
Combining and Dividing Solids;Surface Area of Cylinders
2steps_82
2steps_multi
803
[{"role": "user", "question": "As shown in the diagram, a rectangular cuboid is cut into 4 smaller rectangular cuboids, resulting in an increase of 30 square decimeters in surface area. The volume of the original rectangular cuboid was ( ) cubic decimeters.", "hint": "", "options": {"A": "5", "B": "6", "C": "25", "D...
C
mcq
Combining and Dividing Solids;Volume and Capacity of Rectangular Cuboids
2steps_83
2steps_multi
804
[{"role": "user", "question": "If a rectangular block of wood as shown in the diagram is sawed into two cubes, how many more square centimeters of paint would be needed to cover the surface area than was originally needed?", "hint": "", "options": {"A": "25", "B": "50", "C": "100", "D": "125", "E": "No correct answer"}...
B
mcq
Combining and Dividing Solids;Surface Area of Cubes
2steps_84
2steps_multi
805
[{"role": "user", "question": "The figure shows a rectangular cuboid made from 6 small cubes. After assembly, its surface area decreased by 90 square centimeters. The surface area of one small cube is ( ) square centimeters.", "hint": "", "options": {"A": "90", "B": "54", "C": "108", "D": "No correct answer"}, "choi...
B
mcq
Combining and Dividing Solids;Surface Area of Cubes
2steps_85
2steps_multi
806
[{"role": "user", "question": "A cube with a surface area of 90 cm² is cut twice (as shown in the diagram), dividing it into several smaller rectangular solids. The total surface area of these smaller rectangular solids is increased by ( ) compared to the original cube's surface area.", "hint": "", "options": {"A": ...
C
mcq
Combining and Dividing Solids;Surface Area of Cubes
2steps_86
2steps_multi
807
[{"role": "user", "question": "Cut a rectangular cuboid (as shown in the diagram) into the largest possible cube. If a > b > h, then the total length of the edges of this cube is ( ).", "hint": "", "options": {"A": "12h", "B": "12b", "C": "12a", "D": "No correct answer"}, "choices": []}]
A
mcq
Combining and Dividing Solids;Properties and Understanding of Cubes
2steps_87
2steps_multi
808
[{"role": "user", "question": "If you cut the largest possible cube from a rectangular cuboid, what is the total length of the edges of this cube?", "hint": "", "options": {"A": "48 cm", "B": "72 cm", "C": "96 cm", "D": "No correct answer"}, "choices": []}]
A
mcq
Combining and Dividing Solids;Properties and Understanding of Cubes
2steps_88
2steps_multi
809
[{"role": "user", "question": "A rectangular cuboid with a length of 20 cm is cut into two sections along the cross-section shown in the diagram, resulting in an increase of 40 square cm in surface area. The original volume of the rectangular cuboid was ( ) cubic cm.", "hint": "", "options": {"A": "1600", "B": "800"...
C
mcq
Combining and Dividing Solids;Volume and Capacity of Rectangular Cuboids
2steps_89
2steps_multi
81
[{"role": "user", "question": "As shown in the diagram, the two shapes obtained by dividing the figure along the dashed line are ( ) and ( ).", "hint": "", "options": {"A": "Rectangle, Triangle", "B": "Trapezoid, Triangle", "C": "Square, Triangle", "D": "Trapezoid, Trapezoid", "E": "No correct answer"}, "choices": []}]
B
mcq
Division of Plane Figures
2steps_81
2steps_1
810
[{"role": "user", "question": "As shown in the diagram, a rectangular block with a length of 4 cm, a width of 2 cm, and a height of 3 cm is cut into two smaller rectangular blocks using three different cutting methods labeled ①, ②, and ③. Among these three cutting methods, the surface area increases by the most by ( ...
D
mcq
Combining and Dividing Solids;Surface Area of Rectangular Cuboids
2steps_90
2steps_multi
811
[{"role": "user", "question": "The figure below is a rectangular prism. If it is cut into two identical rectangular prisms along one of the two cutting lines shown, the maximum increase in surface area is ( ) cm².", "hint": "", "options": {"A": "160", "B": "240", "C": "300", "D": "700", "E": "No correct answer"}, "choi...
B
mcq
Combining and Dividing Solids;Surface Area of Rectangular Cuboids
2steps_91
2steps_multi
812
[{"role": "user", "question": "As shown in the diagram, four identical small cylinders are combined to form a larger cylinder that is 40 cm long. The surface area is reduced by 169.56 cm² compared to the original total surface area of the small cylinders. The volume of each small cylinder is ( ) cm³.(π = 3.14)", "hi...
B
mcq
Combining and Dividing Solids;Volume and Capacity of Cylinders
2steps_92
2steps_multi
813
[{"role": "user", "question": "As shown in the diagram, a cylinder is cut in half from the middle, resulting in two solid figures whose total surface area is increased by 20 square centimeters compared to the original cylinder. What is the volume of the cylinder?", "hint": "", "options": {"A": "40 cm³", "B": "20 cm³", ...
A
mcq
Combining and Dividing Solids;Surface Area of Cylinders
2steps_93
2steps_multi
814
[{"role": "user", "question": "The area of the shaded part is ( ) square decimeters. (Take π as 3.14)", "hint": "", "options": {"A": "10.99", "B": "5.495", "C": "7.065", "D": "12.56", "E": "No correct answer"}, "choices": []}]
A
mcq
Rotation;Area of Circles
2steps_94
2steps_multi
815
[{"role": "user", "question": "As shown in the diagram, Figure ① ( ) to obtain Figure ②.", "hint": "", "options": {"A": "Rotate 90° counterclockwise around point P, then move 1 square to the left", "B": "Rotate 90° counterclockwise around point Q, then move 1 square to the left", "C": "Rotate 90° counterclockwise ar...
C
mcq
Rotation;Translation
2steps_95
2steps_multi
816
[{"role": "user", "question": "In the diagram below, by rotating around the endpoint O, how can you transform figure A into figure B? ( )", "hint": "", "options": {"A": "First rotate 90° clockwise, then move 10 units to the right", "B": "First rotate 90° counterclockwise, then move 10 units to the right", "C": "First r...
B
mcq
Rotation;Translation
2steps_96
2steps_multi
817
[{"role": "user", "question": "As shown in the diagram, shape B is obtained from shape A by rotating 90° around point O ( ) and then translating ( ) units to the right. ① clockwise ② counterclockwise ③ 5 ④ 6", "hint": "", "options": {"A": "①; ③", "B": "②; ③", "C": "②; ④", "D": "①; ④", "E": "No correct answer"}, "...
B
mcq
Rotation;Translation
2steps_97
2steps_multi
818
[{"role": "user", "question": "As shown in the diagram, the transformation from shape ③ to shape ① involves:", "hint": "", "options": {"A": "First rotating 90° counterclockwise around point O, then reflecting across line L", "B": "First rotating 90° clockwise around point O, then reflecting across line L", "C": "First ...
B
mcq
Rotation;Axial Symmetry
2steps_98
2steps_multi
819
[{"role": "user", "question": "(As shown in the diagram) If point C is moved one grid to the left, while the other three points remain stationary, the new quadrilateral formed is ( ).", "hint": "", "options": {"A": "Rectangle", "B": "Trapezoid", "C": "Parallelogram", "D": "Cannot be determined", "E": "No correct ans...
B
mcq
Translation;Properties and Understanding of Trapezoids
2steps_99
2steps_multi
82
[{"role": "user", "question": "A cylindrical piece of wood with a height of 5 dm is cut vertically along the diameter of the base into two parts (as shown in the diagram). As a result, the surface area increases by 60 square decimeters. What is the value of d? (d = ____ dm)", "hint": "", "options": {"A": "6", "B": "4",...
A
mcq
Combining and Dividing Solids
2steps_82
2steps_1
820
[{"role": "user", "question": "In the diagram below, both squares have a side length of 5dm. What is the area of the shaded region?", "hint": "", "options": {"A": "10dm²", "B": "15dm²", "C": "20dm²", "D": "25dm²", "E": "No correct answer"}, "choices": []}]
D
mcq
Translation;Area of Squares
2steps_100
2steps_multi
821
[{"role": "user", "question": "The figure below consists of two squares, each with a side length of 5 cm. What is the area of the shaded part in the figure (in cm²)?", "hint": "", "options": {"A": "25", "B": "20", "C": "10", "D": "No correct answer"}, "choices": []}]
A
mcq
Translation;Area of Squares
2steps_101
2steps_multi
822
[{"role": "user", "question": "In the diagram, shape A is transformed into shape B. Which of the following descriptions is incorrect?", "hint": "", "options": {"A": "Shape A is first moved 4 units to the right, then 2 units down, and then reflected across the line where the diameter is located to obtain shape B", "B": ...
C
mcq
Translation;Axial Symmetry
2steps_102
2steps_multi
823
[{"role": "user", "question": "As shown in the diagram, triangle ABC is first translated 4 units to the right and then 3 units upward. 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": "No correct answ...
C
mcq
Translation;Representing Positions Using Ordered Pairs
2steps_103
2steps_multi
824
[{"role": "user", "question": "As shown in the diagram, triangle ABC is translated downward by 2 units to obtain triangle A'B'C'. What is the position of point A' expressed as a coordinate pair?", "hint": "", "options": {"A": "(3,2)", "B": "(5,2)", "C": "(2,5)", "D": "(2,3)", "E": "No correct answer"}, "choices": []}]
D
mcq
Translation;Representing Positions Using Ordered Pairs
2steps_104
2steps_multi
825
[{"role": "user", "question": "As shown in the diagram, shape B is transformed into shape C by:", "hint": "", "options": {"A": "First rotating 90° clockwise around point O, then moving 6 units to the right", "B": "First rotating 90° clockwise around point O, then moving 3 units to the right", "C": "First rotating 90° c...
B
mcq
Translation;Rotation
2steps_105
2steps_multi
826
[{"role": "user", "question": "After rotating figure A clockwise around the center by 90 degrees and then translating it downward by 4 units, which figure is obtained?", "hint": "", "options": {"A": "B", "B": "C", "C": "D", "D": "No correct answer"}, "choices": []}]
B
mcq
Translation;Rotation
2steps_106
2steps_multi
827
[{"role": "user", "question": "As shown in the diagram, triangle ABC is translated upwards by 3 units and then rotated 90° counterclockwise around point A. The resulting triangle is a ( ).", "hint": "", "options": {"A": "Right triangle", "B": "Acute triangle", "C": "Obtuse triangle", "D": "Isosceles triangle", "E": ...
C
mcq
Translation;Properties and Understanding of Triangles
2steps_107
2steps_multi
828
[{"role": "user", "question": "Move and calculate, what is the area of the shaded part in the figure below?", "hint": "", "options": {"A": "5 cm²", "B": "6 cm²", "C": "8 cm²", "D": "No correct answer"}, "choices": []}]
B
mcq
Translation;Area of Rectangles
2steps_108
2steps_multi
829
[{"role": "user", "question": "In the diagram, quadrilateral ABCD has all horizontal line segments parallel to each other, and all other line segments are also parallel to each other. If AB + AD = 7, then the length of the polyline (composed of all the bold black line segments) in the diagram is ( ).", "hint": "", "opt...
B
mcq
Translation;Properties and Understanding of Parallelograms
2steps_109
2steps_multi
83
[{"role": "user", "question": "As shown in the diagram, after a rectangular cuboid is cut into 4 smaller rectangular cuboids, the surface area increases by 30 square decimeters. This increase corresponds to the area of () faces.", "hint": "", "options": {"A": "5", "B": "6", "C": "7", "D": "8", "E": "No correct answer"}...
B
mcq
Combining and Dividing Solids
2steps_83
2steps_1
830
[{"role": "user", "question": "The figure below is composed of two squares, each with a side length of 2dm. What is the area of the shaded part in dm²?", "hint": "", "options": {"A": "8", "B": "6", "C": "4", "D": "2", "E": "No correct answer"}, "choices": []}]
C
mcq
Translation;Area of Squares
2steps_110
2steps_multi
831
[{"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
Translation;Area of Parallelograms
2steps_111
2steps_multi
832
[{"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). To make this shape symmetrical about an axis, small square A needs to be moved to another position. Which of the following positions is incorrect?", "...
A
mcq
Axial Symmetry;Representing Positions Using Ordered Pairs
2steps_112
2steps_multi
833
[{"role": "user", "question": "Reflect shape ABCD across line BC to create a symmetrical shape. What is the total perimeter of the new shape formed together with the original shape?", "hint": "", "options": {"A": "12 cm", "B": "18 cm", "C": "10 cm", "D": "22 cm", "E": "No correct answer"}, "choices": []}]
A
mcq
Axial Symmetry;Perimeter of Rectangles
2steps_113
2steps_multi
834
[{"role": "user", "question": "As shown in the diagram, a symmetrical figure of shape ABC is formed using BC as the axis of symmetry. The perimeter of the parallelogram formed by the original figure and its symmetrical figure is () cm.", "hint": "", "options": {"A": "9", "B": "12", "C": "15", "D": "18", "E": "No correc...
B
mcq
Axial Symmetry;Perimeter of Parallelograms
2steps_114
2steps_multi
835
[{"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
Axial Symmetry;Perimeter of Triangles
2steps_115
2steps_multi
836
[{"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 centimeters?", "hint": "", "options": {"A": "26", "B": "24", "C": "20", "D": "18", "E": "No correct answer"}, "choices": []}]
B
mcq
Axial Symmetry;Perimeter of Trapezoids
2steps_116
2steps_multi
837
[{"role": "user", "question": "In the diagram, HG is the axis of symmetry for quadrilateral ABCD. What shape is quadrilateral ABCD? ()", "hint": "", "options": {"A": "Square", "B": "Rectangle", "C": "Isosceles trapezoid", "D": "Right trapezoid", "E": "No correct answer"}, "choices": []}]
C
mcq
Axial Symmetry;Properties and Understanding of Trapezoids
2steps_117
2steps_multi
838
[{"role": "user", "question": "As shown in the diagram, EF is the axis of symmetry for quadrilateral ABCD. Given that CD = 5 cm and AD = 3 cm, 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
Axial Symmetry;Perimeter of Parallelograms
2steps_118
2steps_multi
839
[{"role": "user", "question": "As shown in the diagram, a 4m wide path is laid around the perimeter of a semicircular lawn. What is the area of the path in square meters? The correct formula to calculate this is ( ).", "hint": "", "options": {"A": "3.14 × (24^2 - 20^2) ÷ 2", "B": "3.14 × (24^2 - 20^2)", "C": "3.14 ×...
A
mcq
Understanding Circles;Area of Circles
2steps_119
2steps_multi
84
[{"role": "user", "question": "If the rectangular block of wood shown in the diagram is sawed into two cubes, the increase in surface area is equivalent to the surface area of ( ) small squares.", "hint": "", "options": {"A": "2", "B": "3", "C": "4", "D": "No correct answer"}, "choices": []}]
A
mcq
Combining and Dividing Solids
2steps_84
2steps_1
840
[{"role": "user", "question": "Two small circles with equal radii are arranged in a rectangle as shown in the diagram. If the width of the rectangle is 2 cm, what is its perimeter in centimeters?", "hint": "", "options": {"A": "Cannot be calculated", "B": "8", "C": "10", "D": "12", "E": "No correct answer"}, "choices":...
D
mcq
Understanding Circles;Perimeter of Rectangles
2steps_120
2steps_multi
841
[{"role": "user", "question": "As shown in the diagram, a rectangle contains 2.5 circles with the same diameter. It is known that the length of the rectangle is 10 cm, and its width is ( ) cm.", "hint": "", "options": {"A": "2.5", "B": "2", "C": "6", "D": "4", "E": "No correct answer"}, "choices": []}]
D
mcq
Understanding Circles;Properties and Understanding of Rectangles
2steps_121
2steps_multi
842
[{"role": "user", "question": "When using a compass to draw line segments, the total length of all line segments in the right-side diagram is ( ) cm.", "hint": "", "options": {"A": "20", "B": "16", "C": "10", "D": "5", "E": "No correct answer"}, "choices": []}]
A
mcq
Understanding Circles;Understanding Line Segments, Lines, and Rays
2steps_122
2steps_multi
843
[{"role": "user", "question": "As shown in the diagram, C and D are the centers of two circles, and A and B are points on the two circles respectively. It is known that AB = 12 cm. What is the circumference of circle C? (π = 3.14)", "hint": "", "options": {"A": "12 cm", "B": "25.12 cm", "C": "31.4 cm", "D": "62.8 cm", ...
B
mcq
Understanding Circles;Circumference of Circles
2steps_123
2steps_multi
844
[{"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 frame, what is the edge length of this cube frame in cm?", "hint": "", "options": {"A": "4", "B": "5", "C": "1", "D": "No correct answer"}, "choices": [...
C
mcq
Understanding Circles;Properties and Understanding of Cubes
2steps_124
2steps_multi
845
[{"role": "user", "question": "The white area in the diagram is composed of 4 identical sectors. Its area is ( ).", "hint": "", "options": {"A": "π", "B": "3π", "C": "9π", "D": "36π", "E": "No correct answer"}, "choices": []}]
C
mcq
Understanding Sectors;Area of Circles
2steps_125
2steps_multi
846
[{"role": "user", "question": "As shown in the diagram, identify the sector among the shaded areas and calculate the area of the sector ( ) square centimeters.", "hint": "", "options": {"A": "π", "B": "2π", "C": "16π", "D": "4π", "E": "No correct answer"}, "choices": []}]
D
mcq
Understanding Sectors;Area of Sectors
2steps_126
2steps_multi
847
[{"role": "user", "question": "As shown in the diagram, among the shaded figures below, only one 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
Understanding Sectors;Conversion Rates and Calculations Between Length Units
2steps_127
2steps_multi
848
[{"role": "user", "question": "As shown in the diagram, quadrilateral ABCD is a parallelogram. A circle with center A has a circumference of 36 cm, and the arc length EF is 6 cm. From this, it can be inferred that angle ∠C is ( )°.", "hint": "", "options": {"A": "30°", "B": "60°", "C": "90°", "D": "45°", "E": "No corre...
B
mcq
Understanding Sectors;Properties and Understanding of Parallelograms
2steps_128
2steps_multi
849
[{"role": "user", "question": "As shown in the diagram, if line l1 is parallel to line l2, then AB equals ( ) cm?", "hint": "", "options": {"A": "3", "B": "4", "C": "5", "D": "6", "E": "No correct answer"}, "choices": []}]
A
mcq
Understanding Sectors;Parallel
2steps_129
2steps_multi
85
[{"role": "user", "question": "As shown in the diagram, a rectangular cuboid is formed by combining 6 small cubes. After combining, its surface area is reduced by 90 square centimeters, which means it is reduced by ( ) faces.", "hint": "", "options": {"A": "9", "B": "5", "C": "10", "D": "No correct answer"}, "choices":...
C
mcq
Combining and Dividing Solids
2steps_85
2steps_1
850
[{"role": "user", "question": "As shown in the diagram, there is a sector and a rectangle. The length of the rectangle is equal to the arc length of the sector, and the width of the rectangle is equal to the radius of the sector. Using the width of the rectangle as the height, a cylindrical surface without top and bott...
A
mcq
Understanding Sectors;Surface Area of Cylinders
2steps_130
2steps_multi
851
[{"role": "user", "question": "As shown in the diagram, there is a sector. What is the area of this sector?", "hint": "", "options": {"A": "4π", "B": "2π", "C": "8π", "D": "No correct answer"}, "choices": []}]
A
mcq
Understanding Sectors;Area of Sectors
2steps_131
2steps_multi
852
[{"role": "user", "question": "As shown in the diagram, a sector is rolled into a cone. 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
Understanding Sectors;Properties of Cones
2steps_132
2steps_multi
853
[{"role": "user", "question": "As shown in the diagram, the shortest segment from point A to line segment BC is ( ).", "hint": "", "options": {"A": "Segment AC", "B": "Segment AF", "C": "Segment AE", "D": "No correct answer"}, "choices": []}]
C
mcq
perpendicularity;Distance Between Two Points
2steps_133
2steps_multi
854
[{"role": "user", "question": "As shown in the diagram, which of the following three line segments is the shortest?", "hint": "", "options": {"A": "AB", "B": "AC", "C": "AD", "D": "No correct answer"}, "choices": []}]
A
mcq
perpendicularity;Distance Between Two Points
2steps_134
2steps_multi
855
[{"role": "user", "question": "As shown in the diagram, the distance from point C to line AB is ( ) cm.", "hint": "", "options": {"A": "3", "B": "4", "C": "5", "D": "No correct answer"}, "choices": []}]
A
mcq
perpendicularity;Distance Between Two Points
2steps_135
2steps_multi
856
[{"role": "user", "question": "As shown in the diagram, how should segment OB be manipulated, OB is perpendicular to OA. ", "hint": "", "options": {"A": "Rotate 90° clockwise", "B": "Rotate 45° counterclockwise", "C": "Rotate 90° counterclockwise", "D": "Rotate 45° clockwise", "E": "No correct answer"}, "choices": []}...
B
mcq
perpendicularity;Rotation
2steps_136
2steps_multi
857
[{"role": "user", "question": "As shown in the diagram, there is a parallelogram-shaped pool. Joe wants to swim from point E on side A to side B. What is the shortest distance he must swim in terms of the parallelogram's dimensions?", "hint": "", "options": {"A": "Side A", "B": "Side C", "C": "Height", "D": "No correct...
C
mcq
perpendicularity;Properties and Understanding of Parallelograms
2steps_137
2steps_multi
858
[{"role": "user", "question": "There is a trapezoidal pool, and Joe wants to swim from point E on side A to side B. What is the shortest distance he needs to swim in the trapezoid?", "hint": "", "options": {"A": "Side A", "B": "Side C", "C": "Height", "D": "No correct answer"}, "choices": []}]
C
mcq
perpendicularity;Properties and Understanding of Trapezoids
2steps_138
2steps_multi
859
[{"role": "user", "question": "As shown in the diagram, two triangular boards are arranged to form a shape. Are AB and BD perpendicular?", "hint": "", "options": {"A": "Yes", "B": "No", "C": "Cannot determine", "D": "No correct answer"}, "choices": []}]
A
mcq
perpendicularity;Understanding Triangular Rulers
2steps_139
2steps_multi
86
[{"role": "user", "question": "A cube with a surface area of 90 cm² is cut twice (as shown in the diagram), dividing it into several smaller rectangular solids. The surface area increased by the area of ( ) small squares.", "hint": "", "options": {"A": "4", "B": "5", "C": "3", "D": "No correct answer"}, "choices": []}]
A
mcq
Combining and Dividing Solids
2steps_86
2steps_1
860
[{"role": "user", "question": "As shown in the diagram, to get from point A to point B and you must pass through a vertical corner, which route should you take?", "hint": "", "options": {"A": "First walk 3m in the southwest direction, then walk 3m in the northeast direction", "B": "First walk 3m in the northeast direct...
C
mcq
perpendicularity;Describing Simple Routes Based on Direction and Distance
2steps_140
2steps_multi
861
[{"role": "user", "question": "How many triangles are there in total in the diagram?", "hint": "", "options": {"A": "1", "B": "6", "C": "7", "D": "8", "E": "No correct answer"}, "choices": []}]
B
mcq
Understanding Line Segments, Lines, and Rays;Properties and Understanding of Triangles
2steps_141
2steps_multi
862
[{"role": "user", "question": "How many triangles are there in total in the diagram?", "hint": "", "options": {"A": "7", "B": "9", "C": "8", "D": "10", "E": "No correct answer"}, "choices": []}]
D
mcq
Understanding Line Segments, Lines, and Rays;Properties and Understanding of Triangles
2steps_142
2steps_multi
863
[{"role": "user", "question": "As shown in the diagram, only one of the figures is a line segment. What is the length of this line segment in centimeters?", "hint": "", "options": {"A": "4", "B": "8", "C": "2", "D": "3", "E": "No correct answer"}, "choices": []}]
A
mcq
Understanding Line Segments, Lines, and Rays;Understanding Length (Using a Ruler)
2steps_143
2steps_multi
864
[{"role": "user", "question": "According to the diagram, the length of the line segment that cannot be extended indefinitely is ( ) cm.", "hint": "", "options": {"A": "4", "B": "300", "C": "400", "D": "Cannot be determined", "E": "No correct answer"}, "choices": []}]
C
mcq
Understanding Line Segments, Lines, and Rays;Conversion Rates and Calculations Between Length Units
2steps_144
2steps_multi
865
[{"role": "user", "question": "The direction of the ray in the diagram 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
Understanding Line Segments, Lines, and Rays;Describing Simple Routes Based on Direction and Distance
2steps_145
2steps_multi
866
[{"role": "user", "question": "As shown in the diagram, there are three points on a triangle. How many rays can be drawn through any two of these points? What is the degree of the largest angle formed by these rays?", "hint": "", "options": {"A": "6, 150°", "B": "8, 120°", "C": "2, 20°", "D": "No correct answer"}, "cho...
A
mcq
Understanding Line Segments, Lines, and Rays;Calculation and Comparison of Angles
2steps_146
2steps_multi
867
[{"role": "user", "question": "As shown in the diagram, to reach line l from point O in the shortest distance, one should ( )", "hint": "", "options": {"A": "Walk along OC in the due north direction", "B": "Walk along OB in the north by east direction", "C": "Walk along OA in the east by north direction", "D": "No corr...
A
mcq
Distance Between Two Points;Cardinal Directions (East, South, West, North)
2steps_147
2steps_multi
868
[{"role": "user", "question": "As shown in the diagram, the shortest distance from point A to point B is 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
Distance Between Two Points;Perimeter of Squares
2steps_148
2steps_multi
869
[{"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. What is the radius of the circle?", "hint": "", "options": {"A": "2.5 cm", "B": "5 cm", "C": "10 cm", "D": "Cannot be determi...
A
mcq
Distance Between Two Points;Understanding Circles
2steps_149
2steps_multi
87
[{"role": "user", "question": "Cut a rectangular cuboid (as shown in the diagram) into the largest possible cube. If a > b > h, then the edge length of this cube is ()", "hint": "", "options": {"A": "a", "B": "b", "C": "h", "D": "No correct answer"}, "choices": []}]
C
mcq
Combining and Dividing Solids
2steps_87
2steps_1
870
[{"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. What is the circumference of the circle? ( ) cm", "hint": "", "options": {"A": "5π", "B": "4π", "C": "3π", "D": "Cannot be de...
A
mcq
Distance Between Two Points;Circumference of Circles
2steps_150
2steps_multi
871
[{"role": "user", "question": "There are three paths from point M to point N, one of which is the shortest. This path is () km long.", "hint": "", "options": {"A": "100", "B": "120", "C": "0.1", "D": "0.12", "E": "No correct answer"}, "choices": []}]
C
mcq
Distance Between Two Points;Conversion Rates and Calculations Between Length Units
2steps_151
2steps_multi
872
[{"role": "user", "question": "As shown in the diagram, if the shortest path from O to D is 5 cm, then OC equals ( ) cm.", "hint": "", "options": {"A": "3 cm", "B": "4 cm", "C": "5 cm", "D": "6 cm", "E": "No correct answer"}, "choices": []}]
C
mcq
Distance Between Two Points;Properties and Understanding of Rectangles
2steps_152
2steps_multi