Question

If the hemisphers has a radius of 3 feet, how many cubic feet of water can the water tank hold?

Answer 1

`volume \ of \ hemisphere = (2)/(3) \pi r^3 = (2)/(3)\pi \cdot (3)^3 = (2)/(3) \pi 27 = 2\pi \cdot9 = 18\pi cubicfeet`