Question

PQ and PR are two chords in 0 central circle The tangents drawn at points Q and P intersect at point s. If QSR = 70, what is the value of QPR?​

Answer 1

Explanation:

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Answer 2

$\huge\color{purple}{Solution}$

Here ∠OSQ=∠OQS=90 o

−50 o =40 o

and∠RSQ=∠SRO=90 o

−60 o =30 o

∠QSR=40 o +30 o =70 o .