Va roooog dau coronita
![Va Roooog Dau Coronita class=](https://ro-static.z-dn.net/files/d96/be5983862a67864c2c747f24af3d83b1.jpg)
Răspuns:
<) ABD =25* ; BD = bisect <) B =><) ABC =2*25 =50*
<)ACB =180-(BAC+ABC) =180-(40+50) =90*
<)ADB =180-(BAC+ABD) =180-(40+25) =115*
Explicație pas cu pas: