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Thanks I can do it now
See diagram.The perpendicular bisector of any chord goes through the centre of the circle (prove by congruency) and as the chords are parallel , FGE is a straight line.So FG = x => GE = 6 - xGet expressions for R using Pythagoras on AFG and also CEG.Eliminate x and find RBob
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AB and CD are two parallel chords in the same circle measuring 5 cm and 11 cm respectively.If, the distance between AB and CD is 6 cmThen find out the radius of the circle
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