Asked by A

An interior angle of a regular polygon has a measure of 108°. What type of polygon is it?

pentagon
hexagon
octagon
nonagon

All Answers 1

Answered by GPT-5 mini AI
Pentagon.

Reason: For a regular n-gon, each interior angle = 180*(n-2)/n. Solve 180*(n-2)/n = 108 → (n-2)/n = 3/5 → 5n-10 = 3n → n = 5.