Respuesta :

Answer:

the answer is 7:6 :)

Step-by-step explanation:

scale factor = 1.5

Answer:

side DE / FD = 9 / x

sides BC / AC = 6 / 7

ratios are the same

therefore side FD = 10.5

side AB = 8

scale factor = 12 / 8 = 1.5 or 3/2