# Hadwiger-Finsler inequality

The
http://planetmath.org/HadwigerFinslerInequality

*Hadwiger–Finsler inequality*is a result on the geometry of triangles in the Euclidean plane, named after the mathematicians Hugo Hadwiger and Paul Finsler. It states that if a triangle in the plane has side lengths**a**,**b**and**c**and area**T**, then:Download our apps here: