Area and Perimeter of a Polygon

  • A regular polygon is a figure with n edges of equal lengths.


Polygon Area and perimeter of a polygon
  • P – perimeter
  • A – area
  • R – radius K
  • r – radius k
  • n – number of edges
  • O – centre
  • a – edges
  • K – circumscribed circle
  • k – inscribed circle


Enter the number of edges (number of angles)

n =

Enter 1 value

a =
R =
r =

Round to decimal places

Area A =
Perimeter P =

Calculation Procedure


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