# Area of rhombus (circumscribed)

## Description

Rhombus is a simple (non-self-intersecting) quadrilateral whose four sides all have the same length. The can be calculated by the semi perimeter and the radius of the circle inscribed in the rhombus

Related formulas## Variables

A | Area of rhombus (m^{2}) |

a | Side (m) |

r | Inradius (m) |