Various Geometrical Solids

Q. Which of the following can be used to obtain a cylinder?

1. Rotating a rectangle about its side
2. Stacking circles of same radius
3. Rotating a right angled triangle by its hypotenuse
4. Both (a) and (b).

Q.

Which are prisms among the following?

1. Nail

2. Unsharpened pencil

3. A box

4. A table calendar

Q. A Polyhedron whose base is a polygon and its lateral faces are triangles meeting at a vertex is known as

1. Prism
2. Pyramid
3. Cuboid
4. Regular polyhedron

Q. Triangular pyramid is also known as

1. Tetrahedron
2. Dodecahedron
3. Octahedron
4. Cube

Q. If the base of the prism is a pentagon, then it is called

1. Square prism
2. Pentagonal prism
3. Pentagonal pyramid
4. Square pyramid

Q. Which of the following is/are Platonic solids?

1. Tetrahedron
2. Triangular Prism
3. Cube
4. Octahedron

Q. Identify the name of the object given below.

1. Triangular prism
2. Hexagonal prism
3. Octagonal prism
4. Pentagonal pyramid

Q.

Identify a dice if its front, top and side views are as shown in the figure.

1. 

2. 

3. 

4. 

Q. What is the name of the given object ?

1. Octagonal Pyramid
2. hexagonal Prism
3. Triangular Prism
4. Pentagonal Pyramid

Q. If a right angled triangle is rotated about one of its perpendicular sides then the shape obtained will be a ​​​​​.

1. cylinder
2. cone
3. sphere