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## Science Fair Project Encyclopedia for Schools!

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# Science Fair Project Encyclopedia

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# Hectagon

A hectagon is a polygon with 100 edges. In a regular hectagon, the measure of each interior angle is 176.4 degrees, and the area with side length of a is given by

$A = 25a^2 \cot \frac{\pi}{100} \simeq 795.513 a^2.$