K Prove graphically and algebraically that a clockwise rotation of 270° about the origin has an equivalent
counterclockwise rotation. In your final answer, name the equivalent counterclockwise rotation and show all of your
work. On your graph, label the following:
1 parallelogram PARK and the coordinates of all four of its vertices
2 parallelogram P'A'R' K' and the coordinates of all four of its vertices
3. center of rotation and its coordinate
4. the Invisible circle of rotation, its radius and the length of the radius
5. use arrows to show the clockwise movement of the parallelogram
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