WAEC - Mathematics (2019 - No. 39)
In the diagram, RT is a tangent to the circle at R, < PQR = 70\(^o\), < QRT = 52\(^o\), < QSR and < PRQ = x. Find the value of y.
70\(^o\)
60\(^o\)
52\(^o\)
18\(^o\)
Обяснение
∠QRT = ∠SRT = 52 (opposite angles)
∠SRT = y = 52 (alternate angles)
y = 52\(^o\)