Explore BrainMass

Angles and their Link to the Number of Sides of a Polygon

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

Solution Preview

Solution. Notice that the sum of all angles in regular n-polygon is

(n-2)*Pi. Since all ...

Solution Summary

The link between internal angles and the number of sides of a polygon is shown. A general formula is presented.