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Coxeter- Exercise 3.2.2

Author:
Taylor_Ikeda
Topic:
Geometry
The two groups of five lines (indicated by the differing color) are a pair of simple pentagons. They are "mutually inscribed" in the sense that consecutive sides of each pass through alternate vertices of the other. (J.T Graves, Philosophical Magazine (3), 15(1839), p.132.)

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