## A Detailed Derivation of the Heron’s Formula

**Heron’s Formula** can be used to find the area of a triangle given the lengths of the three sides. A triangle with side lengths , , and , its area can be calculated using the Heron’s formula

where

is the semiperimeter (half the perimeter) of the triangle.

In this post, I will provide a detailed derivation of this formula. » Read more