Question

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

• A. triangular prism
• B. triangular pyramid
• C. square pyramid
• D. pentagonal pyramid

Answer 1

The correct option is A

triangular prism

Correct option:(a) Triangular prism

Since,

In a triangular prism, The lateral faces are rectangular.

In a triangular pyramid, there are three triangular lateral faces.

In a square pyramid, there are four triangular lateral faces.

In a pentagonal pyramid, there are five triangular lateral faces.

Hence, In a triangular prism, there are no triangular lateral faces.

Hence, the correct option is (a)