Folding a Dissection of a 1-by-3 Rectangle into a Cube

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A 1×3 rectangle can be cut into two congruent pieces that can be folded to make a cube.

Contributed by: Izidor Hafner (August 2013)
Open content licensed under CC BY-NC-SA

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Reference

[1] S. Barr, The Man in the Milk Carton, New York: Harper & Row, 1990 p. 80.


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