Geometry Geometry 3D Shapes & Solids 1 — Questions and Answers
Question 1: How many faces does a rectangular prism have?
- 4
- 5
- 6 (Correct answer)
- 8
Correct answer: 6
A rectangular prism has 6 faces: top, bottom, front, back, left, and right.
Question 2: What is the shape of each face of a regular tetrahedron?
- Square
- Rectangle
- Equilateral triangle (Correct answer)
- Pentagon
Correct answer: Equilateral triangle
A regular tetrahedron has 4 faces, each of which is an equilateral triangle.
Question 3: A cube has a side length of 4 cm. What is its volume?
- 16 cm³
- 48 cm³
- 64 cm³ (Correct answer)
- 96 cm³
Correct answer: 64 cm³
The volume of a cube is s³, so 4³ = 64 cm³.
Question 4: How many edges does a triangular prism have?
- 6
- 7
- 8
- 9 (Correct answer)
Correct answer: 9
A triangular prism has 9 edges: 3 on each triangular base and 3 lateral edges connecting them.
Question 5: What is the surface area of a cube with side length 3 in?
- 18 in²
- 27 in²
- 36 in²
- 54 in² (Correct answer)
Correct answer: 54 in²
A cube has 6 square faces, so surface area = 6s² = 6 × 9 = 54 in².
Question 6: Which solid has exactly one vertex (apex) and a circular base?
- Cylinder
- Sphere
- Cone (Correct answer)
- Pyramid
Correct answer: Cone
A cone has a circular base and a single apex (vertex) at the top.
Geometry Geometry 3D Shapes & Solids 1
How many faces does a rectangular prism have?