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6th Class Mathematics Mensuration Question Bank Mensuration

  • question_answer
    The length of a rectangle is 40 cm. If its breadth is half the length, find the perimeter.

    A)  1200 cm                              

    B)  1.2 cm

    C)  120 m  

    D) 120 cm  

    Correct Answer: D

    Solution :

     The length of a rectangle = 40 cm \[\Rightarrow \]Its breadth \[=\frac{1}{2}\times 40=20cm\] \[\therefore \]Perimeter \[=\text{ }2\text{ }(l\text{ }+\text{ }b)\] \[=\text{ }2\text{ }(40\text{ }+\text{ }20)\] =2 (60) =120 cm


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