Visualising Solid Shapes

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Class 8 made by Ms Simmi Khosla

1. A polyhedron cannot be formed by which of the following?

2 points

3 triangles

2 triangles and 3 parallelogram

8 triangles

1 pentagon and 5 triangles

Clear selection

2. Square prism is also known as:

2 points

Square

Cube

Cuboid

Prism

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3. Which of the following can form the base of a pyramid?

2 points

Line segment

Angle

Circle

Square

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4. The 3-D shape which has only line segments as its edges are called as:

2 points

Sphere

Cylinder

Polygon

Polyhedron

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5. How many plane faces are there in a cylinder?

2 points

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6. Euler's formula is:

2 points

V + E - F = 2

V + F - E = 2

F + V - E = 1

V + E - F = 1

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7. Which is the odd one in the following?

2 points

Cond

Circle

Cylinder

Sphere

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8. A 3-D figure with no vertex and no flat face is:

2 points

Sphere

Cylinder

Cone

None of these

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9. If a polyhedron has 6 vertices and 10 edges, then the number of faces of the polyhedron is:

2 points

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10. The number of rectangles in the net of a rectangular prism is:

2 points

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