If the point (x, y) rotated around the origin 180 degrees clockwise OR counterclockwise, then its image is (-x, -y)
We just change the signs of the 2 coordinates
Since point A = (2, 2), then
A' = (-2, -2)
Since point B = (3, -2), then
B' = (-3, 2)
Since point C = (-1, 3), then
C' = (1, -3)
