Repede, va rog, am timp pana la 11 jumate
![Repede Va Rog Am Timp Pana La 11 Jumate class=](https://ro-static.z-dn.net/files/d89/e6f823a076cbc9e850a1b7638c153f6d.png)
Răspuns:
a)AOB=28 grade
BOC=104 grade
b)66 grade
Explicație pas cu pas: