# A solid consists of a cone on top of a cylinder with a radius equal to that of the cone. The height of the cone is #15 # and the height of the cylinder is #12 #. If the volume of the solid is #18 pi#, what is the area of the base of the cylinder?

##### 1 Answer

Jun 12, 2018

**Area of the base of cylinder is** **sq.unit.**

#### Explanation:

Let the base radius of cylinder and cone be

Height of cylinder and cone be

Total volume of composite solid is

Total volume of composite solid is

Area of the base of cylinder is