the figure, O is the centre of the circle and ZBCO= 30°. Find x and y. Od 30°

In figure, O is the centre of the circle angleBCO=30^(@) . Find X and Y.

In the given figure, O is the centre of the circle and /_BCO = 40^@ Find x, y and z, if DO and CE are both perpendicular to AE :

O is the centre of the circle /_BCO=30^(@) then find x and y

In Figure, O is the centre of the circle. Find /_B A C

If figure, O is the centre of the circle, BD=OD and CD bot AB." Find" angleCAB .

In the given figure, O is the centre of the circle. If angleBAO = 30^(@) and angleBCO = 50^(@) , then angleAOC is equal to:

In the given figure , O is the centre of the circle, anglePQO= 30^@ and angleQRO= 45^@ . What is the value (in degrees) of angle POR ?

In the given figure, O is the centre of the circle and AD is a tangent to the circle at A. If |__CAD=50^(@) and |__ADC=30^(@) , find |__ABO .