Question

In triunghiul ABC ,punctele m€ab si n€ac ,astfel incat mn ||bc.Daca AM/MB=2/3 si an =12cm ,calculati nc si ac

Answer 1

$mn ||bc ⇒\frac{AM}{MB}$=$\frac{AN}{NC}$⇔$\frac{2}{3}= \frac{12}{NC}$⇒NC= 18 Deci AC = NC+AN = 12+18=30