Folding a Strip into a Pentagon

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You are given a paper strip with 12 special triangles grouped in trapezoids. Fold over the larger diagonals of the trapezoids to form a regular pentagon.

Contributed by: Izidor Hafner (January 2016)
Open content licensed under CC BY-NC-SA


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Reference

[1] P. Hilton and J. Pedersen, Build Your Own Polyhedra, Menlo Park, CA: Innovative Learning Publications, Addison-Wesley Pub. Co., 1994 pp. 18–23.



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