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

Multiple Choice

Solve the problem.
-The radius, r, of a sphere can be found using the formula $$r = \sqrt { \frac { S } { 4 \pi } }$$

A) 25.1 in.
B) 44.5 in.
C) 50.2 in.
D) 78.8 in.