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    Mathematics
    Grade9
    Easy

    Question

    Find the perimeter of the shaded region.

    1. 46    
    2. 45    
    3. 35    
    4. 64    

    hintHint:

    perimeter of shaded region = complete perimeter - perimeter of unshaded region

    The correct answer is: 45

      Perimeter = 13 + 13 +arc Length cross times 2
      Here, arc length = fraction numerator 1 over denominator 2 end fraction cross times 2 cross times 3.14 cross times 3 = 9.42
      Perimeter = 13 + 13 + 9.42 cross times 3 2 = 44.84

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