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Tricontagon

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A regular triacontagon with vertices marked.
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A regular triacontagon with vertices marked.

In geometry, a triacontagon is a polygon with 30 sides. The sum of all the angles in a triacontagon sums 5040 degrees. The measure of each angle of a regular triacontagon is 168 degrees, and the area with side length a is given by

[A = \fraca^2 \cot \frac \simeq 71.3577 a^2.]


Polygons
Triangle | Quadrilateral | Pentagon | Hexagon | Heptagon | Octagon | Enneagon (Nonagon) | Decagon | Hendecagon | Dodecagon | Triskaidecagon | Pentadecagon | Heptadecagon | Enneadecagon | Icosagon | Tricontagon | Pentacontagon | Hectagon | Chiliagon | Myriagon

 


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