Question

A slice is made parallel to the base of a right rectangular pyramid, as shown.

What is the area of the resulting two-dimensional cross-section?

Answer 1

To find the area of a triangle, you will times height by base and divide by then divide by two. In this case, the height is 22 and the base is 10. 22 times 10 is 220. You then would divide 220 by two, making your answer 110 cm squared.

Explanation: