Question

Trungiul ABC are aria de 60 cm patrati si d(A,BC)=8 cm.Aflati lungime laturii BC.

Answer 1

A=$\frac{b*h}{2} = \frac{AM*BC}{2}$
d(A,BC)=AM- Inaltimea triunghiului 
60=$\frac{BC*8}{2}$
120=BC*8
BC=120:8
BC=12