In the diagram PQRS is a circle PT QT and QPT 7... - WAEC Mathematics 2005 Question
In the diagram PQRS is a circle, |PT| = |QT| and ∠QPT = 70o what is the size of ∠PRS?
A
40o
B
70o
C
80o
D
140o
correct option: b
∠QPT = ∠QTP = 70o. Since ∠QTR = 140o
∠PRS = TSR = 1/2(180-40) = 70o
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