Question

a right rectangular pyramid is sliced horizontally (across) at the red line by a plane parallel o the base of the pyramid. What is the shape of the cross section?

A. Pyramid
B. Trapezoid
C. Rectangle
D. Triangle

Answer 1

When a right rectangular pyramid is sliced horizontally by a plane that is parallel to the base of the pyramid, the cross-section created is a rectangle. This is because the slicing plane will create a new shape that maintains the proportions of the base, which is rectangular.

Therefore, the correct answer is:

C. Rectangle