Question

The base diameter and the height of a cone are both equal to

x units.
Which expression represents the volume of the cone, in
cubic units?

pix2
2pix3
1/3pix2
1/12pix3

Answer 1

`(\pi x^3)/(3)`

Explanation:

`V=\pi r^2h(1)/(3)`

`V=\pi x^2x(1)/(3)`

`V=\pi x^3(1)/(3)`

`V=(\pi x^3)/(3)`

`V=1.047198x^3`