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$\pi$, from Pentadecagon - infinitely expanding Balloon nested Radical
In this post, I would like to share the findings on derivation of $\pi$ with Pentadecagon inscribed in unit circle.
Here the side of each chord is $2\sin12^\circ$
(Bisecting the chord by segment which ...
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How to calculate $\pi$
If I were to convert a quarter circle into isosceles triangles, I would find I have a triangle with 2 sides of length r (radius), and the other length is to be found, I'll call it "a".
If I split the ...
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