(a)[1]
Determine angle $PQS$.
(b)[2]
Determine angle $QRS$.
Mathematics 4024 · O Level · Circle theorems I
Circle theorems I — practice question
$PQRS$ forms a cyclic quadrilateral. The line $APB$ is tangent to the circle at $P$. Angle $SPB = 37^{\circ}$ and angle $PSQ = 85^{\circ}$.