Question

Find the height of a cone with a volume of 150 in^3 and a diameter of 20 in. Use 3.14 for π.

Answer 1

Volume = $\frac{1}{3} \pi r^{2} h$

150 = $\frac{1}{3}$ x 3.14 x 10 x 10 x h

150 x 3 = 314 x h

h = 450/314

h = 1.43 inches