Answer:
<em>Well, Your best answer will be is </em><em>225° rotation. </em><em>Because, The points A' and C' are tilted more than 180 degrees from the origin of rotation. If it were 90 degrees, the A' and C' would have been in the right side. </em><em>So, The best answer will be is 225°. </em>
<em>Hope That Helps!</em>
