SSC Sample Paper SSC CGL - Sample Paper-10

  • question_answer
    The area of a rhombus is \[150\,c{{m}^{2}}.\] The length of one of it; diagonals is 10 cm. The length of the other diagonal is

    A)  25 cm             

    B)  30 cm

    C)  35 cm             

    D)  40 cm

    Correct Answer: B

    Solution :

    If \[{{d}_{1}},\] \[{{d}_{2}}\] be the diagonals of a rhombus, Area \[=\frac{1}{2}{{d}_{1}}.{{d}_{2}}\] \[\Rightarrow \]   \[150=\frac{1}{2}\times 10\times {{d}_{2}}\] \[\Rightarrow \]   \[{{d}_{2}}=\frac{150}{5}=30\,cm\]

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