Question

The roof of castle is in the Shape of a cone. It has a height of 12 feet and a diameter of 6 feet, how much air occupies the roof? (Use PE= 3. 14 )

Answer 1

V=1/3 * 3.14 * r^2 * 12
V= 1/3 * 3.14 * (3*3) *12
V= 113.04