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9th Class Mathematics Geometry Question Bank Geometry

  • question_answer
    In the adjoining figure, 0 is the centre of circle and diametre AC = 26 cm. If chord AB = 10 cm, then the distance between chord AB and centre 0 of the circle is:

    A) 24 cm                 

    B)       16cm

    C) 12 cm   

    D)         11 cm

    E) None of these  

    Correct Answer: C

    Solution :

    Explanation Option [c] is correct. \[\operatorname{OA} = 13 cm\] \[\operatorname{AM}=5 cm\] \[\therefore OM=\sqrt{{{(13)}^{2}}-{{(5)}^{2}}}=12\,cm\]             


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