make R the subject for this formula V = pi r squared h
Divide pie on both sides... then square root by h on both sides... so it's "h square root, v divided by pi, equals r.."
\(V= \pi r^2h\\\\ \pi r^2h=V\\\\r^2= \frac{V}{ \pi h}\\\\ \boxed{r=\sqrt{\frac{V}{ \pi h}}}\)
