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Euler's Triangle Inequality via Proofs Without Words

by Roger B. Nelsen

This article originally appeared in:
Mathematics Magazine
February, 2008

Subject classification(s): Plane Geometry | Geometry and Topology
Applicable Course(s): 4.9 Geometry

Three lemmas of interest in themselves from which Euler's Triangle Inequality follows are proved wordlessly.

A pdf copy of the article can be viewed by clicking below. Since the copy is a faithful reproduction of the actual journal pages, the article may not begin at the top of the first page.

To open this file please click here.

These pdf files are furnished by JSTOR.



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