Prism

Q.

Triangular pyramid has $4$ faces, __________ edges and __________vertices.

Q.

A triangular prism has $5$ faces, __________ edges and __________ vertices.

Q.

A triangular pyramid is also called a _____________.

Q. A prism is a polyhedron whose lateral faces are____.

1. Pentagons
2. Triangles
3. Circles
4. Parallelograms

Q. Define a prism and a pyramid. Give one example of each. [3 MARKS]

Q.

A triangular prism has _______ rectangular lateral faces.

Q.

A ___ is a polyhedron whose base and top are different polygons and whose lateral faces are parallelograms in shape.

Q. Name the prism whose base is a 6 sided polygon.

1. Square prism
2. Triangular prism
3. Pentagonal prism
4. Hexagonal prism

Q.

Name the solid in the figure.

1. Triangular pyramid

2. Rectangular prism

3. Triangular prism

4. Rectangular pyramid

Q.

A prism is the one which has congruent polygons on the opposite side and are connected with ____________.

1. Triangle

2. Parallelogram

3. Hexagon

4. Pentagon

Q.

The given figure has ___________ lateral faces, each of which is a _____________.

Q.

Find the number of faces, edges and vertices of an octagonal pyramid. Justify your answer

Q.

In which of the following solids, the lateral faces are not triangular?

1. Square pyramid

2. pentagonal pyramid

3. triangular prism

4. triangular pyramid

Q.

Question 81

Complete the table given below by putting tick mark across the respective property found in the solids mentioned.
$\begin{array}{cccccc}& \text{Properties}& \text{Cone}& \text{Cylinder}& \text{Prism}& \text{Pyramid}\\ 1.& \text{The figure is a polyhedron.}& & & & \\ 2.& \text{The figure has diagonals.}& & & & \\ 3.& \text{The shape has curved edges.}& & & & \\ 4.& \text{The base of figure is a polygon.}& & & & \\ 5.& \text{The bases are congruent.}& & & & \\ 6.& \text{The base of figure is a polygon and other}& & & & \\ & \text{faces meet at a single point.}& & & & \\ 7.& \text{The base of figure is a curved edge and other}& & & & \\ & \text{faces meet at a single point.}& & & & \end{array}$

Q.

In which of the following solids, all the lateral faces are not triangular?

1. triangular prism

2. triangular pyramid

3. square pyramid

4. pentagonal pyramid

Q.

For a cube, the number of faces is F, number of edges is E, and number of vertices is V. Find the value of F + E + V.

1. 25
2. 26
3. 24
4. 23

Q.

For a cube, the number of faces is F, number of edges is E, and number of vertices is V. Find the value of F + E + V.

1. 26
2. 23
3. 24
4. 25