In the following figure, AQ is a tangent to the circular at A. If `angle ACB=60^@` , then `angle BAQ=` _______

In the following figure, O is the centre of the circle. If angle BAC =60^@ , then angle OBC= __________

In the given is the centre of circle, PQ is a tangent to the circle at A. If angle BAQ=60^(@) then find angle ABC and angle APB.

In the figure XY is a tangent to the circle with centre O at A. If angle BAX = 70^(@), angle BAQ = 40^(@) then angle ABQ is equal to :

In the following figure, O is the centre of the circle and angle AMB=120^@ , Find the angle between the two tangents AP and BP.

In the following fiure. O is the centr of the circle and AD is the diameter. If angle ACB =135^@ , then find angle DOB .

In the following figure, AB is an arc of the circle, C and D are the points on the circle. If angle ACB=30^@ , Find angle ADB .

In the adjoining figure,O is centre of the circle , If angle ACB= 30^(@), angle ABC=60^(@), angle DAB= 35^(@) and angle DBC=x^(@) , then the value of x is

In the figure angleBOC=60^@,angle AOC=

In the figure, O is centre of a circle. If angle BAC = 20^(@) and angle ACB = 30^(@) . Find angle AOC