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Archives  ·  Vol. 8, No. 1 (2019)

Proof Without Words: Fermat-Torricelli Theorem

Jay M Jahangiri — Kent State University - Kent, Geauga and Twinsburg
Moshe Stupel — Gordon Academic College and Shaanan Academic College

Abstract

The authors explore the Fermat-Torricelli Theorem in a proof without words using GeoGebra. They provide two alternative approaches to the theorem and discuss connections to other geometry problems accessible to secondary level teachers and their students.

Keywords: GeoGebra


Licensed under CC BY-NC-SA 4.0 · ISSN 2162-3856  ·  North American GeoGebra Journal