What are the angles of rotation for a 20-gon?

1 Answer
Mar 31, 2018

#18^@#

Explanation:

To find the measure of the central angle of a regular 20-gon, make a circle in the middle.

A circle is 360 degrees around. Divide that by 20 angles.

So, the measure of the central angle of a regular decagon is 18 degrees.