Theobald's Dissection of One Regular Octagon into Two
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This Demonstration shows Theobald's dissection of a regular octagon into two congruent regular octagons.
Contributed by: Izidor Hafner (August 2016)
Open content licensed under CC BY-NC-SA
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Reference
[1] G. N. Frederickson, Hinged Dissections: Swinging & Twisting, New York: Cambridge University Press, 2002, p. 160.
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