Tricontagon

From Freepedia

A tricontagon is a polygon with 30 sides. 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>

See also

• geometry

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

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