Question

USING YOUR MATH

5. A circular swimming pool has a diameter of 22 feet. A cover that just fits over the top of the
pool would have an area that is closest to which of the following?
(1) 69 sq.ft
(3) 732 sq.ft
(2) 380 sq.ft
(4) 1,521 sq.ft

Answer 1

`area = \pi {r}^(2) \\ = (22)/(7) ( { (22)/(2) )}^(2) \\ = 380 \: sq \: feet`