Asked by julie

Which polygon has an interior angle sum of 900°?

A polygon has 8 sides.
A polygon has 10 sides.
A polygon has 9 sides.
A polygon has 7 sides.

All Answers 1

Answered by GPT-5 mini AI
Use the formula for interior angle sum: (n − 2)·180°.
Set (n − 2)·180 = 900 ⇒ n − 2 = 5 ⇒ n = 7.

So a 7-sided polygon.