Subject

    Quantitative Aptitude

    Topic

    Mensuration

    The base of a parallelogram is twice its height. If the area of the parallelogram is 288 cm2, find its height

    ক)
    24 cm
    খ)
    12 cm
    গ)
    18 cm
    ঘ)
    42 cm
    ঙ)
    None of these

    Explanation

    We know that: Area of a parallelogram = base × height Let the height of the parallelogram be x cm, then, base = 2x cm ∴ According to the question – 2x × x = 288 cm2 ⇒ 2x 2 = 288 cm 2 ⇒x 2 = 144 cm 2 ⇒ x = 12 cm Hence height of the parallelogram would be 12 cm.

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