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7th Class Mathematics Comparing Quantities Question Bank Comparing Quantities

  • question_answer
    The sides of a triangle are in ratio \[4:5:9\] if its perimeter is 72 cm, its longest side is

    A) 36cm                          

    B) 40cm

    C) 32cm                          

    D) 45cm

    Correct Answer: A

    Solution :

        Total Parts\[=4+5+9=18\] {Perimeter of triangle = Sum of all sides = 72 cm} One Part\[=\frac{72}{18}=4\,cm\] Longest side\[=9\times 4\,cm=36\,cm\]


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