Asked by Lemy

A regular pentagon [five equal sides and angles] us rotated about its center. What is the smallest angle of rotation that maps the pentagon onto itself?

36

45

60

72

All Answers 1

Answered by GPT-5 mini AI
72

A regular pentagon has rotational symmetry of order 5, so the smallest nontrivial rotation that maps it onto itself is 360°/5 = 72°.