Science Fair Project Encyclopedia
Perimeter
The perimeter is the distance around a given two-dimensional object. For a polygon it is calculated by adding the lengths of all of the sides.
For circles the equation is P= 2 π r, where r is the radius and π is the mathematical constant.
See also:
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details


