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February 1, 2015

February 1, 2015

Posted by **lucy** on Friday, February 10, 2012 at 1:09am.

- algebra -
**Henry**, Saturday, February 11, 2012 at 7:40pmA = N((L/2)*a)..

A = Area of polygon.

N = The number of sides.

L = The Length of a side.

a = apothem or height of a triangle.

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