In the above figure, O is the centre of the circle AB,AD and CD are the chords . If `/_ ADC=130^(@)` then fid `/_ ACB`.

In the adjoining figure, O is the centre of the circle. AB and CD are equal chords. If /_AOB =100^(@) , then find /_CED .

In the above figure (not to scale), O is the centre of the circle. bar(BC) and bar(CD) are equal chords. If /_ OBC =70^(@) , then find /_BAD .

In the following figure, O is the centre of the circle. AB and CD are equal chords. If angle AOB=100^@ , Find the angle CED .

In the above figure , O is the centre of the circle, AB and CD are diameters. /_ COB =50^(@)=50^(@) . If E is the midpoint of AF, then find /_ ADF

In the adjoining figure, O is the centre of the circle. AB is an arc of the circle and /_AOB=80^(@) . Find /_ACB .

In the above figure, O is the centre of the circle and AB=CD . If /_ APB=110^(@) , then find the angle made by the chord CD at the centre.

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 .

In the given figure ‘O’ is the centre of the circle and AB, CD are equal chords. If angleAOB = 70^@ . Find the angles of the Delta OCD