In figure if PR is tangent to the circle at P and O is the centre of the circle then `angle POQ` is

In figure if PR is tangent to the circle at P and O is the centre of the circle, then anglePOQ is ____.

In the figure given below, SPT is a tangent to the circle at P and O is the centre of the circle. If angle QPT = alpha , then what is angle POQ equal to ?

In Figure,if PR is tangent to the circle at PandQ is the centre of the circle,then /_POQ=110^(0)(b)100^(@)(c)120^(0)(d)90^(@)

In the figure PT is a tangent to the circle with centre 'O' then x =

In the given figure, O is the centre of the circle, PA and PB are tangents to the circle then find angle AQB .

In the given, figure , O is the centre of the circle and AD is a tangent to the circle at.A if angle CAD =55^@ and angle ADC=25^@ , then find angle ABO .