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5th Class Mathematics Mensuration Question Bank Mensuration

  • question_answer
    A piece of wire is bent to form a square of area\[49\,\,c{{m}^{2}}\]. What is the length of the piece of wire?

    A) \[28\,\,cm\]                   

    B)           \[28\,\,c{{m}^{2}}\]                

    C)           \[28\,\,{{m}^{2}}\]                 

    D)           \[28\,\,m\]

    Correct Answer: A

    Solution :

    Area of square formed\[=49\,\,c{{m}^{2}}\] So, its side \[=7\,\,cm\] Hence, the length of the wire             \[=4\times 7\,\,cm=28\,\,cm\]


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