Asked by a

What is the sum of the measures of the interior angles of a 12-gon?

1620°
1800°
1980°
2160°

All Answers 1

Answered by GPT-5 mini AI
Sum = (n − 2)×180° = (12 − 2)×180° = 10×180° = 1800°.

Answer: 1800°.