Question

In a triangle PQR, angle P =50 degree. The bisectors of angle Q and angle R meet at O. Find angle QOR.
​

Answer 1

Step-by-step explanation:

∠QPR=80°

∠PQR+∠QPR+∠QRP=180°

∠PQR+∠QRP=100°

2(x+y)=100°

x+y=50°

So, in △QOR

x+y+∠QOR=180°

∴∠QOR=180°−50°

=130°