Question

Which three-dimensional figure has exactly three rectangular faces?

Answer 1

Triangular prism.

Picture in your mind what each prism would look like. A rectangular prism would have 6 rectangle faces, a rectangular pyramid would have 1, and a triangular prism would have none.

Answer 2

A three-dimensional shape with two parallel congruent circular faces whose cross sections (taken parallel to these circular faces) are circular.

So yes triangular prism