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Tridecagon

Revision as of 16:34, 7 June 2024 by Multpi12 (talk | contribs)

A tridecagon is a polygon with 13 sides. It has an internal angle degree of ~152.308 degrees and a total of 6840 degrees. The area is $A={\frac{13}{4}} a^{2} \cot {\frac{\pi}{13}}$ which is about $13.1858 a^2$

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