What is the sum of the measures of the exterior angles (in degrees) of a... (a) convex 36-gon? (b) convex nonagon? (c) convex dodecagon? Convex and Concave Polynomial: A polygon hasnangles. If at least one angle of thesenangles i...
As there are twelve identical interior angles, the sum of all the interior angles of a dodecagon equals 1800°. We can also easily deduce that the exterior angle, β, has 30°, because it satisfies α + β = 180°. Note that these angles remain the same no matter the side length of...