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7th Class Mathematics Mensuration Question Bank Mensuration

  • question_answer
    When the circumference and area of a circle are numerically equal, then the diameter is numerically equal to

    A) area                            

    B) circumference

    C)  \[2\pi \]                                   

    D)  \[4\]

    Correct Answer: D

    Solution :

        Circumference = area\[2\pi r=\pi {{r}^{2}}\] \[\Rightarrow \,\,r=2\] Diameter\[=2r=2\times 2=4.\]


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