👤

In triunghiul ABC consideram punctul D apartine (AB) si consideram DE paralel pe BC si E apartine (AC)
Daca AD=3cm, AB=9cm, AE=6cm, aflati AC
Daca DB=12cm, AB=16cm, AE=5cm, aflati EC.
Daca AB=36cm, DE=6cm, si AD=12cm, aflati AE
Daca AB=12cm, AC=18cm, AE=3cm, aflati AD.
Toate va rog!