Regular Polygon Calculator
Calculate perimeter, area, and interior angle for a regular polygon.
Perimeter
24
Area
41.5692
Interior angle
120 deg
Formula
area = n*s^2/(4*tan(pi/n))
Calculate perimeter, area, and interior angle for a regular polygon.
How to Use
Calculate perimeter, area, and interior angle for a regular polygon. Enter the Sides and Side length values and review the Perimeter, Area, and Interior angle outputs after you calculate.
- Open the calculator : Start with Regular Polygon Calculator.
- Enter values : Fill in the required inputs and any optional settings.
- Review the result : Read the output and use the about page for more detail if needed.
Common Questions
What formula does the Regular Polygon Calculator use?
area = n*s^2/(4*tan(?/n)).