Posted by lucy on .
The apothem of a regular polygon is the distance from the center of the polygon to a side. Explain how to derive a formula for the area of a regular polygon using the apothem.

algebra 
Henry,
A = 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.