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ln ΔPQR, O is the incentre and ∠P = 42°. Then what is measure of ∠QOR?
Answer & Solution
Correct Answer:
Option
C
$$\eqalign{ & \angle {\text{QOR}} = {90^ \circ } \times \frac{{\angle {\text{P}}}}{2} \cr & = {90^ \circ } + \frac{{{{42}^ \circ }}}{2} \cr & = {111^ \circ } \cr} $$
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