Page 235 - Math Smart - 7

What is the shape of the cross-section of each prism below?

Solution

b)

The cross-section The cross-section The cross-section is
is a triangle. is a rectangle. a parallelogram.

Example 6

What is the shape of the base of each pyramid below?
a) / , b) A 0

So ution
b)

The base is a square. The base is a triangle. The base is a rectangle.