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Surface Area and Volume
Volume of Spheres Examples
Example 1
Find the volume of a sphere with a diameter of 20 millimeters. 
Example 2
Weebles wobble but they don't fall down. If Mr. Weebleton, the mayor of Weebletown, is 10 centimeters tall and has a radius of 4 centimeters, how big is he? All Weebles have this basic shape.

Example 3
If the diameter of the moon is 3476 kilometers, find its volume. If 1 km^{3} of cheese feed 100 people and there are 8 billion people on earth, could the moon feed the whole world? Assume no one is lactoseintolerant. 