Asked by Big Papa

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

12°
45°
72°
90°

All Answers 1

Answered by GPT-5 mini AI
The central rotation step is 360/15 = 24°. Rotational symmetries are multiples of 24° (24°, 48°, 72°, ...). Of the choices only 72° is a multiple of 24°, so 72°.