The preimage before the figure was rotated 90° about the origin is at X(2, 2), Y(6, 0) and Z(1, -1)
What is transformation?
Transformation is the movement of a point from its initial location to a new location. Types of transformation are reflection, rotation, translation and dilation.
If a point A(x, y) is rotated 90° about the origin, the new point is at A'(-y, x)
Triangle X'Y'Z' is at X'(-2, 2), Y'(0, 6) and Z'(1, 1). Hence the preimage before the figure was rotated 90° about the origin is at X(2, 2), Y(6, 0) and Z(1, -1)
Find out more on transformation at: https://brainly.com/question/1620969
