The area of circle C is 64pi ft. What is the value of r

Question

asked Jun 5, 2021 99.9k views

2 Answers

Geof · Answer 1 · 2021-06-11T09:57:26+0000

Answer:

The radius is 8 ft

Explanation:

The area of a circle is given by

A = pi r^2

64 pi = pi r^2

Divide each side by pi

64 pi /pi= pi/pi r^2

64 = r^2

Take the square root of each side

sqrt(64) = sqrt(r^2)

8 = r