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The Brainliest Answer!
2016-01-26T12:27:49+05:30
From d fig OP is the perpendicular distane b/w chord nd centre since it cuts equally the chord then AP=PB=12 cm by Pythagoras theorem taking (OA)^2=(OP)^2+(AP)^2 BYsolving it we get op = 5cm

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