Question

Fie unghiurile AOB,BOC,COA unghiuri formate in jurul unui punct,astfel incat m(AOB)=105 grade si m(BOC)=95 GRADE.Calculeaza m(COA)

Answer 1

AOB+BOC+COA=360°
Daca m(AOB)=105° si m(BOC)=95°,iar m(COA)=360°-m(AOB)-m(BOC) => m(COA)=360°-105°-95° => m(COA)= 160°