If the circumference (in $c m$ ) and the area (in $c m^{2}$ ) of a circle are equal then find the radius of the circle

1 c m

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2 c m

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3 c m

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4 c m

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Solution

The correct option is D $2 c m$
Given Circumference of the circle $=$ Area of the circle
$=> 2 π r = π r^{2}$
$=> r = 2 c m$

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