Find the volume of a right circular cone that has a height of 2.5 ft and a base with a diameter of 8 ft. Round your answer to the nearest tenth of a cubic foot.

41.9 cubic feet

Step-by-step explanation:

The formula for the volume of a cone is

V = 1/3πr^2h, where r=radius and h=height.

Diameter = 2*radius, so our radius is 4 ft. Plug these values in:

V = 1/3πr^2h

= 1/3π4^2 * 2.5

= 40π/3 cubic feet = about 41.9 cubic feet