Wolfram Demonstrations Project

This Demonstration shows Lindgren's dissection of one decagram {10/3} into two pentagrams {5/2}.

The notation

means join every

vertex of a regular

-gon.

G. N. Frederickson, Dissections: Plane & Fancy, New York: Cambridge Univ. Press, 2002 p. 173.

Contributed by: Izidor Hafner

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Lindgren's Dissection of One Decagram {10/3} into Two Pentagrams {5/2}