Circumradius from Triangle Area

Circumradius from Triangle Area

For a triangle with side lengths $$a,b,c$$ and area $$\delta$$:

$$R=\frac{abc}{4\Delta}$$

Terminology

- $$r$$ → Circumradius.

- $$a,b,c$$ → Side lengths of the triangle.

- $$\delta$$ → Area of the triangle.

Usage

- Used to calculate the radius of the circumcircle of a triangle.