Question

The volume of a cone is 300 cubic kilometers. If the radius of the base is 9 kilometers, what is the height of the cone? Use 3.14 for pi. show your work & round to the nearest 10th

Answer 1

Volume = (1/3)pi r^2 h

Answer 2

so height h = V / [(1/3)pir^2]

so plug in pi=3.14, V = 300 , r = 9
and calculate h

Answer 3

volume V =1/3π(r^2)(h)
so plug in pi=3.14, V = 300 , r = 9
h = 300×3/(36π)
= 7.96178
= 8.0 km