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Area = perimeter * apothem^{(*)}2^{(*)}Theapothemof a regular polygon is a line segment from the center to the midpoint of one of its sides.

Equivalently, it is the line drawn from the center of the polygon that is perpendicular to one of its sides.

apothem= side2 * tan(180 / n)

perimeter= side * n

whennis the number of sides.

A = p * a2 =

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