A 30-sided polygon. The regular triacontagon with side length 1 has inradius , circumradius , and area given by
(1)
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(2)
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(3)
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A 30-sided polygon. The regular triacontagon with side length 1 has inradius , circumradius , and area given by
(1)
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(2)
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(3)
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Weisstein, Eric W. "Triacontagon." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Triacontagon.html