Line segment QR is dilated to create line segment Q'R' using the dilation rule DT,1.5.
Point T is the center of dilation. Line segment Q R is dilated to create line segment Q prime R prime. The length of R T is 6 and the length of R prime R is y.
What is y, the distance between points R and R'?
3 units
4 units
6 units
9 units