Se da triunghiul ABC, D apartine (AB), E apartine (AC) si DE||BC . e) Daca AC=14 cm, AD=2,5 cm, DE=4cm si BC=16cm, calculati AE,AB,DB,EC.

Răspuns:
a)AD/AB=AE/AC=DE/BC 6/AB=AE/8=5/10 AB=6*10/5=12 BD=12-6=6 AE=8*5/10=D4 EC =8-4=4