To calculate result you have to disable your ad blocker first.

# Polygon Calculator

Choose from the list and enter the values of required properties to find the area of a polygon using the area of a polygon calculator.

Table of Contents:

## Area of Polygon Calculator

Polygon area calculator finds the area of a polygon using different sets of values i.e. length and the number of sides or radius (apothem) and the number of sides.

## What is a Polygon?

A **polygon **refers to a plane geometrical figure or shape that has at least three or more sides and angles.

A polygon with three sides is called a triangle, A polygon with four sides is called a square e.t.c

## Area of Polygon formula

The formula of a polygon using length sides:

**Area = a ^{2}.n/ 4tan (π/n) **

Where,

a = length of side

n = Number of sides

The formula of a polygon using inradius or apothem.

**Area = n x ri x tan(π/n) / 2 **

Where,

n = Number of sides

ri = incircle radius

**Note:** These formulas are used for equilateral polygons.