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 42 and the height of the cylinder is 6 . If the volume of the solid is 45 pi, what is the area of the base of the cylinder?
1 Answer
Mar 19, 2018
Explanation:
To find the area, we first need to find the radius. We know that the total volume of the cylinder plus the cone is
Cylinder's volume:
Cone's volume:
Add the two volumes together:
Area is
The answer is