The area of a circle is 49 $\pi$ cm2. Its circumference is:

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KollegeApply · Accepted Answer

14$\pi$ cm Explanation: Let the radius be r cm. We know: Area of a circle Thus, we have; $\pi$r2 = 49$\pi$ $\Rightarrow$ r2 = 49 $\Rightarrow$ r = sqrt(49) $\Rightarrow$ r = 7 Now, Circumference of the circle = 2$\pi$r = (2xx22/7xx7) "cm" = 14$\pi$ cm

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