Home » In the diagram PQRS is a circle, |PT| = |QT| and ∠QPT = 70o what…

In the diagram PQRS is a circle, |PT| = |QT| and ∠QPT = 70o what…

In the diagram PQRS is a circle, |PT| = |QT| and ∠QPT = 70^o what is the size of ∠PRS?

A.
40^o
B.
70^o
C.
80^o
D.
140^o

Correct Answer: Option B

Explanation

∠QPT = ∠QTP = 70^o. Since ∠QTR = 140^o
∠PRS = TSR = 1/2(180-40) = 70^o