Urgent !!!!VA ROG FRUMOSSSSSS!!!!.
![Urgent VA ROG FRUMOSSSSSS class=](https://ro-static.z-dn.net/files/d0b/c7a03ba24deb2b540f48c6e35cd10f8b.jpg)
Daca d1//d2=> unghiurile (5x-45) si (2x+45) sunt alterne interne.
5x-45=2x+45
5x=2x+90
3x=90 => x=30
*OBS: Unghiurile alterne interne sunt egale!