Respuesta :

AB=10

The triangles are proportional. DC*2=AC. 12*2=24.

So DE*2=AB. 5*2=10

Answer:

AB = 10

Step-by-step explanation:

ΔABC ≈ ΔDEC

AB/5 = AC/DC

12AB = 120

AB = 120/12 or 10

ACCESS MORE
EDU ACCESS
Universidad de Mexico