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Factoring Heron

by Vaughan Pratt (Stanford University Emeritus)

This article originally appeared in:
College Mathematics Journal
January, 2009

Subject classification(s): Geometry and Topology | Plane Geometry | Triangles
Applicable Course(s): 2.2 Trigonometry | 4.10 Math for High School Teachers

A new proof is given for the equivalence of Heron's formula and the Pythagorean theorem.

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