Which best describes the transformation? Triangle ABC was transformed using the rule (x, y) (
y, x). The vertices of the triangles are shown.
A(-1, 1)
B (1, 1)
C (1,4)
A' (-1,-1)
B' (-1, 1)
C (-4,1)
O The transformation was a 90° rotation about the
origin.
0 The transformation was a 180° rotation about the
origin.
The transformation was a 270° rotation about the
origin.
O The transformation was a 360° rotation about the
origin.