10th Class Mathematics Areas Related to Circles Question Bank MCQs - Areas Related to Circles

  • question_answer
      If the circumference of a circle is 352 metres, then its area in square metres is:

    A) 5986

    B) 6589

    C) 7952

    D) 9856

    Correct Answer: D

    Solution :

    [d]    \[2\pi r=352\,\,\,\,\Rightarrow \,\,\,\,\,r=\frac{176}{\pi }\]
    \[\therefore \]      Area  \[=\pi {{r}^{2}}=\frac{\pi \times 176\times 176}{\pi \times \pi }\]
    \[=\frac{176\times 176\times 7}{22}=9856\]


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