In geometry, an icosagon is a twenty-sided polygon.

The interior angle of a regular icosagon is 162°, and the area with a side length of a is given by

$A\; =\; 5a^2\; \backslash cot\; \backslash frac\{\backslash pi\}\{20\}\; \backslash simeq\; 31.5688\; a^2.$

Other uses

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The word "icosagon" is sometimes used as a euphemism for "swastika", since the outline of a swastika is drawn with twenty straight line segments.

External link

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• MathWorld article

Polygons

იკოსაგონი | icoságono