Answer:
45 degrees
Step-by-step explanation:
The following shape is an octagon, having 8 sides and knowing that any regular polygon has an exterior angle value of 360 degrees, you can say 360/8 to find the measure of each exterior angle, leading to equal 45 degrees.
Hope it helped! (:
Rounded to the nearest whole number would be 426
A, because 71-32 is equal to 39
C, because 85-46 is also equal to 39
