100o
96o
94o
86o
Correct answer is D
< OSR = < ORS = \frac{180° - 64°}{2} = 58°
< PSR = 36° + 58° = 94°
< PSR + < PQR = 180°
94° + < PQR = 180° \implies < PQR = 180° - 94° = 86°
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