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## Main Question or Discussion Point

This is a formula to find the area of a regular polygon with sides of equal length only using the side length.

(ns

Where n is equal to the number of sides and s is the side length.

Also, knowing radius (r) or apothem (a)

(na

(nr

Has someone found this before?

(ns

^{2}cot(180/n))/4Where n is equal to the number of sides and s is the side length.

Also, knowing radius (r) or apothem (a)

(na

^{2}tan(180/n))/4(nr

^{2}sin(180/n)cos(180/n))/4Has someone found this before?