# Area of a regular inscribed n-gon in a unit circle

## Description

The area of a regular n-gon with side s inscribed in a unit circle ( unit circle is a circle with radius of one). RESTRICTION: s<2

Related formulas## Variables

A_{R} | Area of the regular inscribed n-gon (dimensionless) |

n | Number of sides (dimensionless) |

s | Length of a side (dimensionless) |