question_answer

In the shown figure, if the angle between two chords PQ and PR is\[55{}^\circ \]then the angle between two tangents which are drawn at Q and R is ______

A)  \[50{}^\circ \]        

B)                                                         \[60{}^\circ \]        

C)    \[70{}^\circ \]         

D)                                                        \[80{}^\circ \]

E) None of these