The are of a circle is 616cm .find the circumference
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area = pi r^2
616= 22/7 r^2
616 x 7/22=r^2
r^2=196
r=14
circumference = 2 pi r
= 2x22/7x14
=44x2
=88
616= 22/7 r^2
616 x 7/22=r^2
r^2=196
r=14
circumference = 2 pi r
= 2x22/7x14
=44x2
=88
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