Question

Maya is building a circular pool. The radius of the pool will be

7 feet. She will put a cover on the pool and build a fence around
the pool. How much material will she need to cover the top of
the pool?
10.99 ft.
153.86 ft.
21.98 ft.
43.96 ft.

Answer 1

153.86 ft. approx.

Explanation:

Step one:

given data

The radius of the pool will be 7 feet

r= 7 feet

Required

The area of the material needed to cover the top of the pool

Step two:

the expression for the area is

A= πr^2

A= 3.142*7^2

A=3.142*49

A=153.95 ft