Question

A cone with volume 246 ft cubic if the height is 15 find the radius

Answer 1

r = 3.95 ft

Explanation:

Volume of cone =
`(1)/(3) \pi r^(2) h` = 246 ft³

246 =
`(1)/(3) * (22)/(7) * r^2 * 15`

r² =
`(246*3*7)/(22*15*5)`

r =
`√(15.65)`

r = 3.95 ft