**Volume**

Volume is the measure of the amount of space inside of a solid figure,
like a cube, ball, cylinder or
pyramid. It's units are always "cubic", that is, the
number of little element cubes that fit inside the figure.

The formula for the volume of a rectangular prism is:

Area = l x w x h

where:

l = length

w = width

h = height

For example, the volume of a shoe box (a
parallelepiped that is
4 inches by 6 inches by 12 inches is 4 x 6 x 12 = 288 cubic inches.
This means that it would take 288 little 1-inch cubes to fill the shoe box.

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