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4. Radius of a circular region is 63 cm. Find the least length of rope which is sufficient toencircle the circular region.

Answer»

To find the least length of rope which is sufficient to encircle the region, we have to find out the circumference of the circular region.Given : radius = 63 cmCircumference of circle = 2πr= 2*22/7*63Circumference = 396 cmLength of rope to encircle the region is 396 cm



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