Respuesta :

Answer:

5.6

Step-by-step explanation:

EC = 10

BC = 14

14/10 = 1.4

DE = 4

AB = x = 1.4 * 4 = 5.6

Answer:

[tex]\frac{x}{14} = \frac{4}{10}[/tex]  (set up as a proportion)

10x= 56 (cross multiply and then solve)

x= 5.6

Step-by-step explanation: