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Discussion :: Mensuration

  1. What is the are of an equilateral triangle of side 16 cm?
    2. A.
    48√3 cm2
    B.
    128√3 cm2
    C.
    9.6√3 cm2
    D.
    64√3 cm2
    E.
    None of these

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    Answer : Option D

    Explanation :

    Area of an equilateral triangle = √3/4 S2 

    If S = 16, Area of triangle = √3/4 * 16 * 16 = 64√3 cm2;

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