6th Class Mathematics Mensuration Question Bank Mensuration (Perimeter & Area, Review of Earlier Concepts)

  • question_answer The circumference of a circle is 22 m. What is its area?

    A) \[1018.5\,\,{{m}^{2}}\]       

    B) \[12.25\,\,{{m}^{2}}\]      

    C) \[38.5\,\,{{m}^{2}}\]                       

    D) \[40\,\,{{m}^{2}}\]

    Correct Answer: C

    Solution :

    \[C=2\pi r=22\Rightarrow r=\frac{7}{2}\] \[A=\pi {{r}^{2}}=\pi \times {{\left( \frac{7}{2} \right)}^{2}}=38.5\]


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