question_answer

If angle subtended by two tangents at the centre with the radii drawn through their point of contacts is \[130{}^\circ \], then find the angle subtended between these tangents outside the circle.

A)  \[55{}^\circ \]                         

B)  \[50{}^\circ \]

C)  \[45{}^\circ \]                         

D)  \[65{}^\circ \]

E)  None of these