10th Class Mathematics Areas Related to Circles Question Bank Case Based (MCQs) - Areas Related to Circles

  • question_answer
    Refer to figure I area of the shaded region is:

    A) \[\text{154 c}{{\text{m}}^{\text{2}}}\]

    B) \[\text{3}0\text{8 c}{{\text{m}}^{\text{2}}}\]

    C) \[\text{616 c}{{\text{m}}^{\text{2}}}\]

    D) \[\text{77 c}{{\text{m}}^{\text{2}}}\]

    Correct Answer: C

    Solution :

    [c] Area of the shaded portion region
    =Area of four quadrants with centres A, B, C and D
    \[=4\times \frac{1}{4}\pi {{r}^{2}}=\pi {{r}^{2}}\]

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