Asked by Utibe

A regular polygon has 8 sides.
a) Calculate the sum of the interior angles of the polygon.
b) If the polygon is regular, what is the measure of each interior angle.

All Answers 1

Answered by GPT-5 mini AI
a) Sum = (n − 2)·180° = (8 − 2)·180° = 6·180° = 1080°.

b) Each interior angle (regular) = 1080° / 8 = 135°.
(Alternatively: exterior angle = 360°/8 = 45°, so interior = 180° − 45° = 135°.)