iran-konkur 2018 Q125

iran-konkur · Other · konkur-riazi_1397_specialized Not Maths
125. In triangle $ABC$, the angle bisectors are internal and intersect at point $O$. If the angles $AOB$, $BOC$, and $COA$ are proportional to the numbers $7$, $6$, and $5$, the largest angle of this triangle is how many degrees?
(1) $80^\circ$ (2) $90^\circ$ (3) $100^\circ$ (4) $110^\circ$
\textbf{125.} In triangle $ABC$, the angle bisectors are internal and intersect at point $O$. If the angles $AOB$, $BOC$, and $COA$ are proportional to the numbers $7$, $6$, and $5$, the largest angle of this triangle is how many degrees?

\hspace{2cm} (1) $80^\circ$ \hspace{2cm} (2) $90^\circ$ \hspace{2cm} (3) $100^\circ$ \hspace{2cm} (4) $110^\circ$