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Summary
DescriptionLemniscate 15-gon.png
English: The lemniscate of Bernoulli divided into 15 sections of equal arclength (red curves). Because the prime factors of 15 (3 and 5) are both Fermat primes, this polygon is constructible using a straightedge and pair of compasses.
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The lemniscate of Bernoulli divided into 15 sections of equal arclength (red curves). Because the prime factors of 15 (3 and 5) are both Fermat primes, this polygon is constructible using a straightedge and pair of compasses.