# Basic Geometry

### Example 1

Find the volume of this square pyramid:

### Example 2

Find the volume of this cone:

### Example 3

Find the volume of a square pyramid whose base has a perimeter of 20 inches and a height of 10 inches.

### Example 4

Find the volume of a cone with a height of 10 in. and a circumference around the base of 18π cm^{2}.