PQRS is a cyclic quadrilateral in a circle with centre O. ∠PQR and ∠PSR are in the ratio
11 ∶ 7. If PQ = QR, then find. ∠OPQ
1
55°
2
62°
3
52°
4
56°
PQRS is a cyclic quadrilateral in a circle with centre O. ∠PQR and ∠PSR are in the ratio
11 ∶ 7. If PQ = QR, then find. ∠OPQ