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10th Class Mathematics Areas Related to Circles Question Bank Area of Circle

  • question_answer
    There is a circular road round a circular garden. If the difference between the circumferences of the outer circle and the inner circle is 44 m., what is the width of the road?

    A)  5 m                             

    B)  6 m           

    C)  7 m        

    D)  8 m

    Correct Answer: C

    Solution :

    (c): \[2\pi R-2\pi r=44,\]   \[R-r=\frac{44}{2\pi }=7m\]                  


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