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Heptadecagon/Heptakaidecagon with a compass and straightedge
04-16-2010, 11:45 AM
Post: #1
Heptadecagon/Heptakaidecagon with a compass and straightedge
The regular polygon of 17 sides is called the heptadecagon, or sometimes the heptakaidecagon. Gauss proved in 1796 (when he was 19 years old) that the heptadecagon is constructible with a compass and straightedge.

Here is a modern demo:
   
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