Asked by def

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 of interior angles for an n-gon = (n − 2)×180°. For n = 12: (12 − 2)×180° = 10×180° = 1800°.