Circumference of a circle is .....................

π r

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2 π r

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3 π r

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4 π r

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Solution

The correct option is B $2 π r$
Circumference means the perimeter of a circle

Perimeter means the total arc length of a circle and which is equal to $2 π r .$

Hence, the perimeter of a circle is $2 π r$ .

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