Question

complete the following sentence. the figure below rotational symmetry. answer attempt 2 out of 2 you must answer all questions above in order to submit.

Explanation:

旋转对称是指图形绕着一个定点旋转一定角度后能与自身重合。此图形绕中心旋转60°、120°等角度后能与自身重合，所以具有旋转对称性。

Answer:

has