Dissecting a Trapezoid into a Parallellogram

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This Demonstration shows a trapezoid-to-parallellogram dissection.
Contributed by: Izidor Hafner (August 2013)
Open content licensed under CC BY-NC-SA
Snapshots
Details
The dissection is called a T-slide and was first used by Anton Hanegraaf.
Reference
[1] G. N. Frederickson, Hinged Dissections: Swinging & Twisting, New York: Cambridge University Press, 2002 p. 130 www.cs.purdue.edu/homes/gnf/book2.html.
Permanent Citation
"Dissecting a Trapezoid into a Parallellogram"
http://demonstrations.wolfram.com/DissectingATrapezoidIntoAParallellogram/
Wolfram Demonstrations Project
Published: August 14 2013