 An irregular Tetracontakaihexagon. The measure of each internal angle of a regular tetracontakaihexagon is approximately 172.174 degrees, and the area with side length a is given by
- <math>A = \frac{23}{2}a^2 \cot \frac{\pi}{46} \simeq 168.124 a^2.<math>
See also
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