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SSC Quantitative Aptitude Quadratic Equations Question Bank Quadrilateral and Polygon (I)

  • question_answer
    If the sides of a quadrilateral ABCD touch a circle and AB = 6 cm, CD = 5 cm, BC = 7 cm, then the length of AD in cm is

    A) 4

    B) 6

    C) 8

    D) 9

    Correct Answer: A

    Solution :

    [a] From figure, \[\Rightarrow \]   \[AB+CD=BC+AD\] \[\Rightarrow \]   \[6+5=7+AD\] \[AD=11-7=4\,cm\]


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