Question

The forumla for the volume of a cone is V=1/3pr^2h. the radius r of the caone may be expressed as

Answer 1

V=1/3hpir^2
times 3 both sides
3V=hpir^2
divide both sides by hpi

`(3V)/(h\pi) =r^2`
sqrt both sides

`\sqrt{(3V)/(h\pi)} =r`