Question

5. Given a regular decagon and a regular dodecagon, which one has a greater exterior angle? By how much is the angle greater?

Answer 1

Explanation:

A regular dodecagon has equal interior angle measures. Since 1800°/12 = 150°, each interior angle in a regular dodecagon has a measure of 150°. Also, each exterior angle has a measure of 30° since the exterior angle and interior angle form a straight angle.