Question

What is the cross section created when a vertical slice is made perpendicular to the 2 bases of a triangular prism?

A.
a triangle

B.
ellipse trapezoid

C.
a square

D.
a rectangle

Answer 1

Imagine slicing a triangular prism, perpendicular to the two bases.
You would basically just be lopping off some congruent triangle from each base.
The now-exposed inside of the prism would be a rectangle.