David M. answered 05/03/20
Dave "The Math Whiz"
The angle bisector is that which bisects the angle in half. So, if ∠QOP is the angle bisector of ∠QOR, then ∠QOP = (1/2)∠QOR.
71° = (1/2)∠QOR
2(71°) = ∠QOR
142° = ∠QOR
Therefore, the answer is "C".
Hope this helps!
