Question 237457
<font face="Garamond" size="+2">

A polygon is regular if it is equilateral and equiangular.

The measure, in degrees, of the central angle of a regular polygon of *[tex \Large n] sides is *[tex \Large \frac{360}{n}].  In radians, *[tex \Large \frac{2\pi}{n}]

John
*[tex \LARGE e^{i\pi} + 1 = 0]
</font>