[math-fun] Algebra 2 exercise
15 Aug
2016
15 Aug
'16
7:09 a.m.
If a regular *n*-gon with unit circumradius has side s, the 2*n*-gon has side Sqrt[2 - Sqrt[4 - s^2]]. Shew that this denests to (-2 + s + Sqrt[4 - s^2])/Sqrt[4 - 2 s] when 0 ≤ s ≤ 2. --rwg
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Bill Gosper