1. 

   3 years ago

   Simple proof that equilateral triangles have maximum area

   ericntunctu
2. 

   2 years ago

   Heron’s Formula: Area of a Triangle Knowing Lengths of 3 Sides: Algebraic Proof

   Math Easy Solutions
3. 

   6 days ago

   HERON'S FORMULA

   ElProfeJacob