The exterior angles of an octagon are 42°, 55°, 39°, 20°, 62°, 45°, and 47°. What is the measure of the eighth exterior angle? Show equations and all work that leads to your answer.
The answer is 50 degrees because the sum of the exterior angles of a octagon are 360 so if you take the exterior angles you know add them up you would get 310 now subtract 310 from 360