Which steps would prove the circles similar?
Translate the circles so they share a common center
point, and dilate circle Y by a scale factor of 4
Translate the circles so the center of one circle rests on
the edge of the other circle, and dilate circle Y by a scale
factor of 4
Translate the circles so they share a common center
point, and dilate circle Y by a scale factor of 3
Translate the circles so the center of one circle rests on
the edge of the other circle, and dilate circle Y by a scale
factor of 3