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