Dissection of a Regular Enneagon into Four Congruent Regular Enneagons

Initializing live version

This Demonstration shows a dissection of a regular enneagon into four congruent regular enneagons.

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

Snapshots

Reference

[1] G. N. Frederickson, Hinged Dissections: Swinging & Twisting, Cambridge: Cambridge University Press, 2002 p. 158.


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