10th Class Mathematics Circles Question Bank Circle

  • question_answer
    LM is a chord of a circle, the tangent PN at P meets LM produced at N. If PN = 6 units; LM = x units; MN = 4, units, then find 'x'

    A)  3                                

    B)  5        

    C)  7                                

    D)  9

    Correct Answer: B

    Solution :

    (b): Use: \[P{{N}^{2}}=NL\times NM\]   


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