Question

The volume of a cone of radius r and height h is V=1/3πr^2 h.Solve for r.Please help me anyone!!!! I need to know the answer now!!!

Answer 1

$V= \dfrac{1}{3} \pi r^2h$

$V= \dfrac{ \pi r^2h}{3}$

$3V= \pi r^2h$

$r^2 = \dfrac{3V}{ \pi h}$

$r = \sqrt{\dfrac{3V}{ \pi h}}$