Difference between revisions of "Talk:Regular polygon"
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(Query about enneagons) |
(No difference)
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Latest revision as of 18:24, February 22, 2008
Mistake?
"Gauss ... showed that a regular n-sided polygon can be constructed with ruler and compass if the odd prime factors of n are distinct Fermat primes." I'm not sure that this is right. According to [1], an enneagon cannot be constructed with ruler and compass. Sepura 13:24, 22 February 2008 (EST)