In the given figure, PQRS is a cyclic quadrilateral. What is the measure of the angle PQR if PQ is parallel to SR?
Answer & explanation
Correct answer: option 2
∠P + ∠R = 180° (opposite angle of cyclic quadrilateral)
∠SRQ = 180° - 105° = 75°
∠R+∠Q = 180° (PQ llRS)
∠PQR = 180° - 75° = 105°