Find The Measure Of One Exterior Angle Of A Regular 12-sided Polygon. Exterior angle40 degrees for polygon of 9 sides ii. If necessary round to the nearest tenth.
Sum of all exterior angles360. Finding Angles and Perimeter of a Regular Dodecagon. For example if the measurement of the exterior angle is 60 degrees then dividing 360 by 60 yields 6.
I VCO 7 regular 24-gon 9 regular 23-gon I coo c 8 regular quadrilateral 10 16-gon Find the measure of one exterior angle in each polygon.
N-gons so a 23 sided polygon would be called a 23-gon. Each exterior angle is 30. To go around the shape you make a complete circle. It has 12 interior angles.