Question

The lateral faces of a regular triangular prism are _____.

isosceles triangles
equilateral triangles
parallelograms
rectangles

Answer 1

Answer: parallelograms.

Explanation:

The lesson states that the lateral faces of a prism are parallelograms.

Answer 2

The lateral face of a prism is it's side, so it would be rectangle, D.

"lateral, of, at, toward, or from the side or sides."

The lateral side of a triangular prism would be a rectangle, like in this picture.
The picture shows two quadrilateral triangles as the faces of the prism, and three rectangles as the lateral sides.