Question

The surface area of the top surface of the water in a circular swimming pool is about 206 square feet. Estimate the radius of the pool, to the nearest foot.




A. about 14 feet


B. about 8 feet


C. about 11 feet


D. about 10 feet

any help?

Answer 1

A = pi * r^2

206 = 3.14r^2

206 / 3.14 = r^2

Answer 2

and what do u do next sue?

Answer 3

/ means divide

Answer 4

divide 206 by 3.14

Answer 5

I got 65.60

Answer 6

Ms.Sue

Answer 7

Right.

The square root of 65.6 = 8.1

The radius is about 8 feet.

Answer 8

The surface area of the top surface of the water in a circular swimming pool is about 188 square feet. Estimate the radius of the pool, to the nearest foot.