👉 The term "inradius" refers to a radius or diameter of an inscribed circle within a polygon. Specifically, it refers to the distance from any point inside the polygon to its center. In other words, it is the length of a line segment that connects two points on the boundary of the polygon and bisects the interior angles at those points. In a regular polygon (like a triangle or square), the inradius is equal to half the side length of the polygon. This is because