O is the centre of the circle `/_BCO=30^@` then 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 :

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

In Figure,O is the centre of the circle.If /_CEA=30^(@), find the values of x,y and z

In Figure,O is the centre of the circle.If /_BOD=160^(@), find the values of x and y

In the figure (not to scale ), O is the centre of the circle and /_OBA=30^(@) . Find /_ ACB

In Figure, O is the centre of the circle. If /_C E A=30^0, find the values of x ,\ y\ a n d\ z

In Figure, O is the centre of the circle. If /_B O D=160^@, find the values of x\ a n d\ y