Question

This cone has a radius of 18 inches and a height of 3 feet.

What is the length of the radius in feet?
Round your answer to the nearest tenth place.
Find the volume of the cone in cubic feet?
Round your answer to the nearest tenth place.

Answer 1

Explanation:

Part 1

18 inches * 1 foot / 12 inches = 1.5 feet. Note there are 12 inches in 1 foot.

Part 2

V = 1/3 * pi * r^2 * h

pi = 3.14

r = 1.5

h = 5

Solution

V = 1/3 * 3.14 * 1.5^2 * 3

V = 7.065 cubic feet

Answer

V = 7.1 cubic feet.