In the adjoining figure `O` is the centre of the circle . If chord `AB=2` cm radius `OA=2` cm, then find the value of `angle ACB`.

In the adjoining figure, O is the centre of the circle. If the chord AB is equal to the radius of the circle, then find the value of angleADB .

In the adjoining figure, O is the centre of the circle. If the chord AB is equal to the radius of the circle, then find the value of angleADB .

In the adjoining figure, O is the centre of the circle and AB= AC , if angleABC=32^(@) , then find the value angle BDC

In the adjoining , O is the centre of the circle. ACB is a segment. If angle OAB=30^(@) , then find the value of angle ACB .

In the adjoining , O is the centre of the circle. ACB is a segment. If angle OAB=30^(@) , then find the value of angle ACB .

In the adjoining figure, O is the centre of the circle and AB is its diameter. If AC=8 cm and BC= 6cm, then find the radius of the circle.

In the adjoining figure, O is the centre of the circle and AB is its diameter. If AC=8 cm and BC= 6cm, then find the radius of the circle.

In the adjoining figure, O is the centre of the circle. Find the value of angle BEC .

In the adjoining figure, O is the centre of the circle. Find the value of angle BEC .

The radius of a circle is 10 cm and the perpendicular form the centre to a chord is 8cm. Find the length of the chord. (ii) The radius of a circle is 10 cm. its one chord is 16 cm long. Find the perpendicular distance of this chord form the centre. (iii) in the adjoining figure O is the centre of circle. the radius of circle is 17 cm . if OC=8cm, then find the length of chord AB. (iv) In the adjoining figure, OMbotAB , radius OC=5cm and chord AB=8cm .Find the length of OM.