Respuesta :

Answer:

1. 2/3

2. 15/2 (7.5)

Step-by-step explanation:

1. Scale down from larger to smaller:

6/9 = 4/6 = 2/3

ΔDEF ⇒  ΔABC  [tex]=\frac{2}{3}[/tex]

2. [tex]EF=\frac{5}{\frac{2}{3} } =\frac{(5)(3)}{2} =15/2[/tex]  or 7.5

I hope this help you