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    Area of the circle is 616 cm2. What is the area of the rectangle ?(‘dot’ indicates centre of the circle)

  • 784 cm2
  • 196 cm2
  • 392 cm2
  • Cannot be determined
  • None of the above
  • Explanation:

    The area of circle = 22/7 ×(r)2

     

    22/7 × r2 = 616

    r =√616 × 7/22

    r = 14cm

    Length of rectangle = 28 cm

    Breadth of rectangle = 14 cm

    ∴ Area of rectangle = Length × Breadth

    = 28 × 14

    = 392 cm2


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