Answer:
3/4
Step-by-step explanation:
The side lengths of WXYZ divided by the side lengths of ABCD is the scale factor needed to dilate.
6/8 is 3/4
9/12 is 3/4
3.75/5 is 15/20 which is 3/4
15/20 is 3/4
Double check: 20*3/4 is 15. 8*3/4 is 6. 5*3/4 is 3.75. 12*3/4 is 9.
