Regular Polygon Calculator
Calculate regular polygon area, angles and diagonals
Calculated properties
Area
110.110553638
Perimeter
40
Apothem
5.50552768188
Interior angle (Β°)
108
Exterior angle (Β°)
72
Diagonals
5
Calculations require finite real numbers and division by zero is undefined. Decimal arithmetic follows browser IEEE-754 floating-point rounding.