Solve for the Indicated Letter $S=\pi \mathrm{rh}+\pi \mathrm{r}^{2}$ For $\mathrm{r}$
A) $r=\frac{-\pi \pm \sqrt{\pi^{2}+4 \pi S}}{2 \pi}$

Multiple Choice

Solve for the indicated letter.
-Solve $S=\pi \mathrm{rh}+\pi \mathrm{r}^{2}$ for $\mathrm{r}$ .

A) $r=\frac{-\pi \pm \sqrt{\pi^{2}+4 \pi S}}{2 \pi}$
B) $\mathrm{r}=\frac{-\pi \mathrm{h} \pm \sqrt{\pi \mathrm{h}+4 \pi \mathrm{S}}}{2 \pi}$
C) $r=\frac{-\pi h \pm \sqrt{\pi^{2} h^{2}-4 \pi S}}{2 \pi}$
D) $r=\frac{-\pi h \pm \sqrt{\pi^{2} h^{2}+4 \pi S}}{2 \pi}$