## anonymous 4 years ago Find the length of the radius of a sphere with a surface area of 314.16 ft2. A. 5 ft B. 15 ft C. 10 ft D. 2.5 ft

1. anonymous
2. anonymous

3. anonymous

GENIUS!!

4. TuringTest

$A=4\pi r^2$so$r=\sqrt{\frac{A}{4\pi}}$plug in the given area A