Area of Regular Polygons

There is a regualr pentagon with one side s=107.5

and an area of 19,887.5. Find the apothem
in Geometry Answers by Level 1 User (460 points)

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2 Answers

A=1/2Pa.... Area=one half(Perimeter)(Apothem) Perimeter=537.5, 19887.5=1/2(537.5)a 19887.5=268.75a and a=74
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