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if AB = 8 BC = 6 AND EC = 12 WHAT IS VALUE OF DC? RELATES TO TANGENTS SECANTS CHORDS...
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Let AC and EC are two secants intersect circle at B and D respectively . It mean A,B,D and E lies on circumference of the circle and C is an external point.
By secant and tangent theorem ,
AC x BC =EC x CD
Given AB=8 ,BC=6 ,EC=12 and DC=y (say)
14 x 6= 12 x y
Posted by pramodpandey on May 22, 2013 at 9:49 AM (Answer #1)
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