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Integer-Sided Triangles with One Angle Twice Another

by R. S. Luthar (University of Wisconsin Center)

This article originally appeared in:
College Mathematics Journal
January, 1984

Subject classification(s): Geometry and Topology | Trigonometry
Applicable Course(s): 2.2 Trigonometry

A simple characterization of the condition that, for an integer-sided triangle, one angle is twice another.

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