Folding a Trapezoid into a Rectangle

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This Demonstration shows how to fold a trapezoid into a rectangle.
Contributed by: Izidor Hafner (January 2013)
Open content licensed under CC BY-NC-SA
Snapshots
Details
In [1], this transformation is called a tube-cyclic dissection of a trapezoid to a rectangle.
Reference
[1] G. N. Frederickson, Piano-Hinged Dissections, Wellesley, MA: A. K. Peters, 2006 pp. 50–51.
Permanent Citation
"Folding a Trapezoid into a Rectangle"
http://demonstrations.wolfram.com/FoldingATrapezoidIntoARectangle/
Wolfram Demonstrations Project
Published: January 16 2013