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Old almost as the Internet itself **Calculator.com**'s mission statement is to be the world's largest and most comprehensive collection of online calculators on the Web.

**Calculator.com** provide a seemingly endless array of handy and useful calculators along with plenty of conversion tools, organized by a large variety of categories, from math & science to finance, health & everyday cooking — and it's always **FREE**!

In Euclidean geometry, a regular polygon is a polygon that is equiangular (all angles are equal in measure) and equilateral (all sides have the same length). Regular polygons may be convex or star. In the limit, a sequence of regular polygons with an increasing number of sides approximates a circle, if the perimeter is fixed, or a regular apeirogon, if the edge length is fixed.

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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#### Use the citation below to add this **Pentagon Area Calculator** to your bibliography:

"Pentagon Area" *Calculator.com.* STANDS4 LLC, 2020. Web. 11 Jul 2020. <https://www.calculator.com/calculators/pentagon-area>.