B. 45 degrees
The sum of the exterior angles of any polygon is always 360 degrees. Since a regular octagon has 8 sides, the exterior angles would each measure 360 degrees divided by 8, which is 45 degrees.
A stop sign is in the shape of a regular octagon. What is the measure of each exterior angle?
A. 40 degrees
B. 45 degrees
C. 50 degrees
D. 55 degrees
1 answer