Question

A cone with a radius of 3" has a total area of 24 sq. in. Find the volume of the cone.

24
15
12

Answer 1

24pi=pi*9+pi*3*l

l=5

l^2=r^2+h^2

5^2=3^2+h^2

h=4

Answer 2

Volum=1/3*pi*r^2*h

V=1/3*3.4*3^2*4
V=37.7

Answer 3

V=1/3 pi * r^2 * h=80