Question

What is the measure of an exterior angle of a regular 13-sided polygon? Enter your answer as a decimal in the box. Round to the nearest tenth of a degree.

Answer 1

Each Exterior Angle = (360 degrees) / (Number of Sides)
Each Exterior Angle = 360 / 13
Each Exterior Angle = 27.6923076923 degrees

Source:
http://www.1728.org/polygon.htm

Answer 2

Every exterior angle is 360. You would divide 360 by the number of sides. Looks like 360/13. Which gives you 27.6923076923. Round up to the tenth and you get the answer.

=27.7