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Identities on Point-Line Figures in the Euclidean Plane

by Guido M. Pinkernell (University of Wales, UK)

This article originally appeared in:
Mathematics Magazine
December, 1996

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

The theorem of Pratt-Kasapi, utilizing ratios of the sides of a pentagram, is generalized.


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