Answer:
<em>360 deg</em>
Step-by-step explanation:
The sum of the measures of the exterior anglers of a polygon, one per vertex, is 360 degrees. This is true of every polygon whether it is regular or not, and no matter the number of sides.
The error was %28%2835-25%29%2F35%29%2A100 percents = 28.57% = 29%
4m+7