Tricontagon

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

<math>A = \frac{15}{2}a^2 \cot \frac{\pi}{30} \simeq 71.3577 a^2.</math>Template:Polygons

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