Vă rog repedeee!!!!
![Vă Rog Repedeee class=](https://ro-static.z-dn.net/files/df9/5b7f36a93a2539ff459fc3d90daa7f36.jpg)
Răspuns:
stim ca paralelogramul are toate laturilele de 360 grade
stim unghiul A=121 grade
<B=360 grade -121 grade=239 grade
<C=0 grade
Verificare= <A+<B=239+121=360