Pyramid

Q.

A pyramid is a polyhedron whose base is a polygon and whose lateral faces are triangles with a common vertex.

1. True

2. False

Q.

The number of vertices on a pyramid with a square base is ___ .

Q.

A square pyramid has ___ faces.

1. 7

2. 4

3. 5

4. 6

Q. What is the total number of rectangular faces in a rectangular pyramid?

1. 0
2. 2
3. 4
4. 3

Q.

A plane surface of a solid enclosed by edges is called $\_\_\_\_\_\_\_\_.$

Q. What is the sum of the number of Faces, Vertices and Edges of a Square Pyramid?

1. 18
2. 15
3. 16
4. 20

Q. Name of the solid having following net diagram is:

1. Cuboid
2. Prism
3. Pyramid
4. Cone

Q. What is the total number of triangles and squares needed in order to make a square pyramid ?

1. 4, 1
2. 3, 1
3. 2, 2
4. 3, 3

Q. What is the total number of triangles and squares needed in order to make a square pyramid ?

1. 4, 1
2. 3, 1
3. 2, 2
4. 3, 3

Q. What is the total number of edges, vertices, and faces in a square pyramid ?

1. 8, 3, 5
2. 6, 6, 6
3. 6, 4, 8
4. 8, 5, 5

Q. All the front faces of a Pyramid are always __________.

1. Rectangular
2. Triangular
3. Pentagonal
4. Hexagonal

Q.

To check which of the given net can be folded to form a cube.Form and color the nets which form a cube.

Q. Which 3-D figure can be made using the given net?

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

Q.

A triangular pyramid has ___ edges.

Q. How many equal triangular faces does a regular pentagonal pyramid have?

1. 4
2. 5
3. 6
4. 3

Q.

Which of the following is a 3-D shape?

1. Octagon

2. Hexagon

3. Quadrilateral

4. Pyramid

Q.

A pyramid has atleast how many faces?

1. 4

2. 5

3. 2

4. 3

Q. A pyramid will definitely have________faces.

1. Triangular
2. Rectangular
3. Circular
4. Pentagonal

Q. The dimensions of the roof of a toy house are given below. Find the surface area.

1. 144 sq cm
2. 290 sq cm
3. 480 sq cm
4. 380 sq cm

Q. In the given pyramid the number of triangular faces is equal to number of sides in the base of the pyramid.

1. False
2. True

Q.

To check which of the given can be folded to form a cube. Form and color the nets which form a cube.

Q.

The polygonal region of a pyramid is called the _____of the pyramid.

1. surface

2. base

3. edge

4. vertex

Q. Eliza takes a rectangular paper and folds it in half. Then she folds it in half again to form a triangle.
After forming a triangle, she cuts out a rectangle from one side as shown:

Find which of the following options closely resembles the sheet when it is unfolded.

Q. A pyramid can have two square faces.

1. True
2. False

Q. The dimensions of the roof of a toy house are given below. Find the surface area.

1. 480 sq cm
2. 290 sq cm
3. 144 sq cm
4. 380 sq cm

Q. A piece of cheese needs to be covered in a paper of area 120 sq cm as shown in the below figure. Find the possible height of the triangular face of the pyramid.

1. 3 cm
2. 6 cm
3. 5 cm
4. 7 cm

Q. In the given pyramid the number of triangular faces is equal to number of sides in the base of the pyramid.

1. False
2. True

Q. Fig. 16.2 represents a cuboid. The lengths of the edges AE, EF and FG are indicated as l, b and h respectively. Indicated the lengths of all other edges.