Find the volume of a sphere that has a diameter of 11 feet.

Solution:
Diameter=11ft
Therefore radius=5.5 ft(Since radius=Diameter/2)
Volume of sphere=4/3py r^3
= 4/3.22/7.5.5^3
=697.19 Cubic feet.
Therefore the volume of sphere is 697.19 cubic feet.This is your required solution.