Theobald's Dissection of an Octagon into a Triangle
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This Demonstration shows Theobald's dissection of an octagon into a triangle.
Contributed by: Izidor Hafner (August 2012)
Open content licensed under CC BY-NC-SA
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Reference
[1] G. N. Frederickson, Dissections: Plane & Fancy, New York: Cambridge University Press, 1997, p. 285.
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