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Edge-Length of Tetrahedra

by Hans Samelson (Stanford University)

This article originally appeared in:
Mathematics Magazine
June, 2000

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

The author proves that the total edge-length of one tetrahedron contained in another cannot exceed 4/3 that of the outer tetrahedron.

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