WAEC - Mathematics (2019 - No. 40)
In the diagram, RT is a tangent to the circle at R, < PQR = 70\(^o\), < QRT = 52\(^o\), < QSR and < PRQ = x. Calculate the value of x.
70\(^o\)
58\(^o\)
55\(^o\)
48\(^o\)
説明
x = 180\(^o\) - (52\(^o\) + 70\(^o\))
= 180\(o\) - 122\(^o\)
= 58\(^o\)