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Question

the difference between circumference and radius of a circle is 37cm? what will be the circumference of the circle?

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Solution

As from the questionCircumference-radius =37cmLet the radius of the circle is r cm.and the circumference = 2πrSo 2πr-r =37cmr(2π-1)=37cmr=37(2π-1)cm (i)And the circumference =2πrso putting r from (i)cicumference=2π×37(2π-1)cm Ans

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