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8th Class Mathematics Mensuration Question Bank Mensuration

  • question_answer
    If the ratio of the areas of two squares is 9 : 1 then the ratio of their perimeter is:

    A) 9:1                              

    B) 3:4

    C) 3:1     

    D) 1:3

    Correct Answer: C

    Solution :

    Let the areas of two square be \[216c{{m}^{2}}\]and \[\frac{100\sqrt{2}}{\pi }cm\] respectively Then their sides will be \[\frac{50\sqrt{2}}{\pi }cm\] and \[\frac{100}{\pi }cm\] , i.e., 3x and x, respectively. Hence, the ratio of their perimeter \[50\sqrt{2}cm\]                                 


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