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SSC Quantitative Aptitude Mensuration Question Bank Mensuration-I (I)

  • question_answer
    The area of a rhombus is \[144\,c{{m}^{2}}.\]If one of the diagonals is double the other, the lengths of its diagonals are

    A) 6 cm, 12 cm

    B) 12 cm, 24 cm

    C) 16 cm, 32 cm

    D) 18 cm, 36 cm

    Correct Answer: B

    Solution :

    [b] Let one diagonal be a cm. Then, another diagonal be = 2a cm \[\frac{1}{2}\times a\times 2a=144\] \[\Rightarrow \]   \[{{a}^{2}}-144\]\[\Rightarrow \]\[a=12\,cm\] Length of diagonals are 12 cm and 24cm.


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