Given the following measures of a vertex angle of a regular polygon, determine how many sides it has?
a. 150 degrees
b. 156 degrees
c. 174 degrees
d. 178 degrees© BrainMass Inc. brainmass.com June 20, 2018, 5:10 am ad1c9bdddf
Solution. Notice that the sum of all angles in regular n-polygon is
(n-2)*Pi. Since all ...
The link between internal angles and the number of sides of a polygon is shown. A general formula is presented.