Test your knowledge of 2D and 3D shapes with the following questions. Choose the correct answer for each question.
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Which of the following is a 2D shape?
- A. Cube
- B. Sphere
- C. Triangle
- D. Cylinder
- E. Pyramid
- F. Cone
- G. Rectangular Prism
- H. Tetrahedron
- I. Hexagonal Prism
- J. Rectangle
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A shape with four equal sides and four right angles is called:
- A. Triangle
- B. Circle
- C. Parallelogram
- D. Square
- E. Trapezoid
- F. Rhombus
- G. Oval
- H. Pentagon
- I. Hexagon
- J. Octagon
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What is the name of a 3D shape that has six rectangular faces?
- A. Sphere
- B. Cube
- C. Cylinder
- D. Rectangular Prism
- E. Cone
- F. Pyramid
- G. Hexagonal Prism
- H. Tetrahedron
- I. Octagonal Prism
- J. Ellipsoid
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Which of the following shapes has no edges or vertices?
- A. Cube
- B. Sphere
- C. Cone
- D. Pyramid
- E. Cylinder
- F. Prism
- G. Rectangular Prism
- H. Hexagonal Prism
- I. Tetrahedron
- J. Dodecahedron
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A triangle with one angle greater than 90 degrees is called:
- A. Acute Triangle
- B. Right Triangle
- C. Equilateral Triangle
- D. Obtuse Triangle
- E. Isosceles Triangle
- F. Scalene Triangle
- G. Right Isosceles Triangle
- H. Right Scalene Triangle
- I. Equiangular Triangle
- J. Triangular Prism
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What do you call a polygon with eight sides?
- A. Pentagon
- B. Hexagon
- C. Octagon
- D. Decagon
- E. Dodecagon
- F. Heptagon
- G. Nonagon
- H. Tetragon
- I. Quindecagon
- J. Trapezoid
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The shapes that have length, width, and height are classified as:
- A. 2D Shapes
- B. 1D Shapes
- C. Plane Shapes
- D. 3D Shapes
- E. Spherical Shapes
- F. Orthogonal Shapes
- G. Linear Shapes
- H. Quadratic Shapes
- I. Cylindrical Shapes
- J. Geometric Shapes
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A circular base and a vertex above the center of the base describe which 3D shape?
- A. Cylinder
- B. Cube
- C. Cone
- D. Sphere
- E. Pyramid
- F. Sphere
- G. Rectangular Prism
- H. Ellipsoid
- I. Torus
- J. Tetrahedron
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Which of these shapes has the largest number of sides?
- A. Triangle
- B. Quadrilateral
- C. Pentagonal Prism
- D. Hexagon
- E. Heptagon
- F. Octagon
- G. Nonagon
- H. Decagon
- I. Dodecagon
- J. Tetradecagon
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What is the volume formula for a rectangular prism?
- A. Length × Width × Height
- B. Base × Height
- C. π × r² × Height
- D. (Base × Height) ÷ 2
- E. 4/3 × π × r³
- F. (Base × Height)²
- G. Length + Width + Height
- H. 2(Length × Width + Width × Height + Height × Length)
- I. (Length + Width + Height) ÷ 3
- J. 2 × r × Height