Explanation:
Look at the picture.
Any pair of choice can be the coordinates of the rotation of the point
W (-3, 4) clockwise.
All points have the same distance from the beginning.
The formula of a distance between the origin and a point (x, y):

W(-3, 4)

(3, -4)

(4, 3)

(-4, -3)

(-4, 3)
