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 #18 # and the height of the cylinder is #21 #. If the volume of the solid is #420 pi#, what is the area of the base of the cylinder?
1 Answer
Jan 12, 2017
The area is
Explanation:
The volume of the cylinder
The volume of the cone
Let
Volume of the cone
Volume of cylinder
Total