Dissecting a Dodecagram {12/2} to a Square

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The Demonstration shows a dodecagram-{12/2}-to-square dissection. The light and dark green pieces are identical, but do not quite have mirror symmetry, so one of them must be flipped in step 4.

Contributed by: Izidor Hafner (June 2012)
Open content licensed under CC BY-NC-SA




[1] G. N. Frederickson, Dissections: Plane & Fancy, New York: Cambridge University Press, 2002 pp. 134–135.

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