The area of a circle is A=pi*R^2.

Since the diameter is 10 ft, then the radius is 5 ft.

Area= 3.1416 * 5 * 5

Area =78.54 feet.

Since the diameter is 10 ft, then the radius is 5 ft.

Area= 3.1416 * 5 * 5

Area =78.54 feet.