The Icosagon reference article from the English Wikipedia on 24-Jul-2004
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Icosagon

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The Swastika that was used by the Nazis is an IcosagonEnlarge

The Swastika that was used by the Nazis is an Icosagon

In geometry, an icosagon is a twenty-sided polygon. An example: German Swastika is an irregular icosagon. The interior angle of a regular icosagon is 162°.

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