Solve the Formula for the Indicated Variable $r=\sqrt{\frac{S}{4 \pi}}$ For $S$ A) $S=\frac{r^{2}}{4 \pi}$

Multiple Choice

Solve the formula for the indicated variable.
- $r=\sqrt{\frac{S}{4 \pi}}$ for $S$

A) $S=\frac{r^{2}}{4 \pi}$
B) $S=4 \pi r^{2}$
C) $S=16 \pi^{2} r^{2}$
D) $S=4 \pi r$