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Chapter 12: Q2. (page 477)

How many lateral faces are in the following prism?

Short Answer

Expert verified

The number of lateral faces is 6.

Step by step solution

01

Step 1. Write the concept.

A prism is a polyhedron that has two equal, parallel sides called “bases” and its lateral sides are “parallelograms”.

A rectangular prism is a polyhedron with two congruent and parallel bases. It has 6 faces and all the faces are in rectangle shape and have 12 edges.

A right rectangular prism is a prism that has 6 faces that are rectangles and all angles are right angles.

An oblique prism in which the bases are not perpendicular to each other.

02

Step 2. Write explanation.

The faces of the prism that are not bases are lateral faces of the prism.

The total faces of the given prism are 8. The number of bases is 2.

So, the lateral faces of the prism are:

8−2=6

Therefore, the number of lateral faces of the given prism is 6.

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