Subject

    Quantitative Aptitude

    Topic

    Areas & Volumes

    Find the area of a square, one of whose diagonals is 3.8 m long

    ক)
    7.22
    খ)
    6.22
    গ)
    4.22
    ঘ)
    3.22

    Explanation

    Area of the square  = 12∗(diagonal)2=12∗3.8∗3.8=7.22m2\frac12\ast\left(diagonal\right)^2=\frac12\ast3.8\ast3.8=7.22m^2

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