Apothem of a Regular Polygon Calculator
In a polygon, a line to the midpoint of one of the sides from the center is called as apothem. Find the apothem of a regular polygon or circumradius of the incircle using this free online calculator.
Apothem of a Regular Polygon Calculation
Code to add this calci to your website
r = a / [2 tan(π / n)]
r = R cos (π / n)
Apothem of regular polygon
R = Circumradius
π = 3.14159...
a = Side length
n = Number of side