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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 = a2.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.
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