The area of a circle is 49π cm2. Its circumference is
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Area=pi*r^2=49 pi
Therefore r=7 cm
Circumference = 2*pi* r=2*22/7*7=44cm
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Answer:
Step-by-step explanation:
Given area of circle = 49π cm^2
=> πr^2 = 49π
=> r^2 = 49
=> r = √49
=> r = +/- 7
Since length cannot be negative,
Therefore, radius of the circle = 7 cm
Now, circumference of the circle
= 2πr
= 2 × 22/7 × 7
= 44 cm
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