in the given figure O is the centre of the 2 concentric circles. A line ’l’ cuts the circles at A,B,C and D as shown in the figure. OP is perpendicular to AD. Given OA=34, OP=16, AB= 18. Find the length of chord AD, radius of the smaller circle and length of chord BC.
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2
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apply d formulas mate and you'll get d ans
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4
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sorry I don't know sorry........
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