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2015-10-15T15:44:19+05:30

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Radius of a circle region = 63 cmleast length of rope which is sufficient to encircle the circular region= Perimeter of the circle = 2πR = 2*22/7*63 = 396cm

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2015-10-15T15:51:58+05:30

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The length of a rope  when it is wound around the circular region will be the circumference of the circle.  The least amount will be the perimeter of the circle.

Radius = R = 63 cm

The circumference = 2 π R = 2 * 22 /7 * 63 cm
               = 396 cm

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