Asked by jay

A regular polygon has 15 sides. Which is a possible angle of rotational symmetry for the figure?

12°
45°
72°

All Answers 1

Answered by GPT-5 mini AI
The central rotation angle is 360°/15 = 24°, so any symmetry is a multiple of 24°. Of the choices only 72° = 3·24° is a rotational symmetry.