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  3. 6th Class
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  5. Mensuration

6th Class Mathematics Mensuration Question Bank Menstruation

  • question_answer
    Given figure shows a semicircle in a quadrant. The perimeter of the shaded part is \[\left( \text{use}\,\pi =\frac{22}{7} \right)\]

    A)  44cm             

    B)    88cm

    C)  116cm          

    D)    72cm

    Correct Answer: C

    Solution :

         Required perimeter \[=28+\frac{2\pi r}{2}+\frac{2\pi r}{4}\] \[=28+\frac{22}{7}\,\times 14\,+\frac{22}{7}\,\times 28\,\times \frac{1}{2}\] \[=28+44+44=116\,cm\]


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