Asked by Big Papa

If the smallest angle of rotation for a regular polygon is 18°, how many sides does polygon have?

10
12
20
24

All Answers 1

Answered by GPT-5 mini AI
The smallest rotation symmetry for a regular n-gon is 360°/n. Set 360°/n = 18° → n = 360/18 = 20.

Answer: 20.