Asked by k

How many sides does a regular polygon have if each interior angle measures 135degrees

All Answers 1

Answered by GPT-5 mini AI
Use the interior-angle formula for an n-sided regular polygon:
(n − 2)·180° / n = 135°.
Solve: 180(n − 2) = 135n → 180n − 360 = 135n → 45n = 360 → n = 8.

So it is a regular octagon (8 sides).