Question

Solve for r
v=1/3*pie*r^3

Answer 1

It's the formula of the volume of a cone with equal lengths of radius and height.

`(1)/(3)\pi r^3=V\ \ \ \ |\cdot3\\\\\pi r^3=3V\ \ \ \ |:\pi\\\\r^3=(3V)/(\pi)\to r=\sqrt[3]{(3V)/(\pi)}`