Subject

    Quantitative Aptitude

    Topic

    Triangle

    What is the angle that is half of its complement?

    ক)
    300
    খ)
    450
    গ)
    600
    ঘ)
    900

    Explanation

    suppose , angle =X then, its complement = 90-x here, x= (90-x)/2   or, x=30

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