AOB is a diameter of a circle , C is a point on the circle. If `angle OBC=60^(@)` , then find the value of `angleOCA`

AB is a diameter of a circle. C is any point on the circle, angleACB=

In the adjoining figure, AOB is the diameter and O is the centre of the circle. If angle BDC=60^@ , then find the value of angleABC .

In the adjoining figure, AOB is the diameter and O is the centre of the circle. If angle BDC=60^@ , then find the value of angleABC .

AOB is the diameter of a circle. C is a point on the circumference of the circle. If /_OAC = 60^@ then find the value of /_OBC .

AOB is a diameter of a circle having centre.O. C is any point on it. If angleOBC = 60^@ , then angleOCA =?

AB is a diameter of a circle and C is any point on the circumference of the circle, then :

If AOB is a diameter of a circle and C is a point on the circle, then AC^(2)+BC^(2)=AB^(2) .

If AOB is a diameter of a circle and C is a point on the circle, then AC^(2)+BC^(2)=AB^(2) .

In the adjoining figure, O is the centre of the circle AC is a diameter and chord DE is parallel to the diameter AC. If angle CBD=60^(@) , find the value of angle CDE