Q: 2 Two chords AB and CD of lengths and respectively of a circle are parallel to each other and are on opposite sides of its centre. If the distance between AB and CD is , find the radius of the circle.
Given : AB = 5 cm, CD = 11 cm and AB || CD.
To find Radius (OA).
Proof: CD is a chord of circle and
Thus, CM = MD = 5.5 cm (perpendicular from centre bisects chord)