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Polishing the Star

by Cheng-Shyong Lee (University of California, La Jolla)

This article originally appeared in:
College Mathematics Journal
March, 1998

Subject classification(s): Geometry and Topology | Trigonometry
Applicable Course(s): 2.2 Trigonometry | 4.9 Geometry

Simple proofs for two side-ratio identities for pentagrams


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