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

  • question_answer
    The radius of a circle is\[\text{21 cm}\]. Find its circumference.

    A) \[\text{66 cm}\]

    B) \[\text{33 cm}\] 

    C) \[\text{132 cm}\]

    D) \[\text{99 cm}\]

    Correct Answer: C

    Solution :

    [c] Circumference \[=2\pi r=2\times \frac{22}{7}\times 21=132\,cm\]


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