Wolfram Demonstrations Project

This Demonstration shows Frederickson's dissection of an octagram {8/2} into two octagrams.

The notation

means join every

vertex of a regular

-gon.

G. N. Frederickson, Dissections: Plane & Fancy, New York: Cambridge Univ. Press, 2002 p. 189.

Contributed by: Izidor Hafner

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Common Core State Standards for Mathematics

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Lindgren's Dissection of One Octagram into Two