Respuesta :

Answer:

4

Step-by-step explanation:

ΔADE ~ ΔABC, so

AD : AB = (x + 1) : (4x - 6)

Note AB = 2 AD, so

4x - 6 = 2(x + 1)

4x - 6 = 2x + 2

2x = 8

x = 4

Otras preguntas