Each exterior angle of a regular polygon measures 20. How many sides does the polygon have?
1 Answer
Dec 13, 2016
Explanation:
A very useful property to know of any polygon, whether regular or irregular, is that the sum of the exterior angles is always 360°.
For a regular polygon, the size of each exterior angle,
Using this property, if you know the size of the exterior angle, you can find the number of sides.