1. How many faces does a cube have?
- A4
- B6
- C8
- D12
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Answer: B) 6
A cube has 6 faces, each being a square.
Class 8 Visualising Solid Shapes — practice questions with answers
Geometry · 5 sample questions from the school syllabus. Try each one, then open the answer and the worked solution.
2. A solid object having length, breadth and height is called a:
- APlane figure
- BTwo-dimensional figure
- CThree-dimensional figure
- DLine segment
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Answer: C) Three-dimensional figure
A solid (3D) figure has three measurements: length, breadth and height.
3. When a solid cube is viewed from directly above, what is the shape of its top view?
- ACircle
- BSquare
- CTriangle
- DRectangle
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Answer: B) Square
Looking down on a cube, the top face appears as a square.
4. A football is an example of which solid shape?
- ACylinder
- BCone
- CSphere
- DCube
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Answer: C) Sphere
A football is round in every direction, so it is a sphere.
5. Which statement is correct about a triangular pyramid (tetrahedron)?
- AIt has 4 faces, 6 edges and 4 vertices
- BIt has 5 faces, 8 edges and 5 vertices
- CIt has 4 faces, 4 edges and 6 vertices
- DIt has 3 faces, 6 edges and 4 vertices
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Answer: A) It has 4 faces, 6 edges and 4 vertices
A triangular pyramid has 4 triangular faces, 6 edges and 4 vertices, and 4 + 4 - 6 = 2 satisfies Euler's formula.
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