Dissecting a Trapezoid into a Parallellogram

This Demonstration shows a trapezoid-to-parallellogram dissection.


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  • [Snapshot]


The dissection is called a T-slide and was first used by Anton Hanegraaf.
[1] G. N. Frederickson, Hinged Dissections: Swinging & Twisting, New York: Cambridge University Press, 2002 p. 130 www.cs.purdue.edu/homes/gnf/book2.html.
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