Solve the Problem $$r = \sqrt { \frac { S } { 4 \pi } }$$

Multiple Choice

Solve the problem.
-The radius of a sphere depends on its surface area, S, and is given by the formula $$r = \sqrt { \frac { S } { 4 \pi } }$$

A) 98.5 square inches
B) 17.6 square inches
C) 393.9 square inches
D) 70.3 square inches