Subject

    Quantitative Aptitude

    Topic

    Triangle

    In the figure, if AB=8, BC=6, AC=10 and CD=9, then AD=?

    ক)
    10
    খ)
    7
    গ)
    8
    ঘ)
    17

    Explanation

    In triangle ABD, AD2 = AB2 + (BC + CD)2 or, AD2 = 82 + (6 + 9)2 or, AD2 = 64 + 152 or, AD2 = 289 or, AD = 17

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