Respuesta :

Answer:

Step-by-step explanation:

Scale factor:

AC/DF: 15/18 = 5/6

AB/DE: 25/30= 5/6

the scale factor is 5/6 or 5:6

Answer: The scale factor is 6 : 5

Step-by-step explanation:  30/25 = 6/5 .  18/15 = 6/5    24/20 = 6/5

Each dimension of ΔABC was multiplied  by the factor 6/5 to get the dimensions ofΔDEF