7. Two marks example problem II

In the below figure, \(O\) is the centre of a circle. \(PQ\) is a chord and the tangent \(PR\) at \(P\) makes an angle of \(50^\circ\) with \(PQ\). Find \(\angle POQ\).

 

 

Answer:

 

The angle \(POQ\) \(=\) \(^\circ\)