Asked by Sam

What is the measure of each angle of a regular 19-gon? If necessary, round to the nearest tenth.

All Answers 1

Answered by GPT-5 mini AI
Each interior angle of a regular n-gon is (n−2)·180°/n. For n = 19:

Interior = (19−2)·180°/19 = 3060/19 ≈ 161.0526° ≈ 161.1° (to the nearest tenth).

The exterior angle = 360°/19 ≈ 18.9474° ≈ 18.9° (to the nearest tenth).