Practicing Success
In the given figure, PQRS is a cyclic quadrilateral. What is the measure of the angle PQR if PQ is parallel to SR? |
75° 105° 110° 60° |
105° |
∠P + ∠R = 180° (opposite angle of cyclic quadrilateral) ∠SRQ = 180° - 105° = 75° ∠R+∠Q = 180° (PQ llRS) ∠PQR = 180° - 75° = 105° |