The area of circle is 15400 m2 find it circumference
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ar.of circle=15400
πr^2=15400
22/7×r^2=15400
r^2=15400×7/22
r^2=700×7
r^2=4900
r=√4900
r=70
circumference of circle=2×π×r
=2×22/7×70
=440m2
πr^2=15400
22/7×r^2=15400
r^2=15400×7/22
r^2=700×7
r^2=4900
r=√4900
r=70
circumference of circle=2×π×r
=2×22/7×70
=440m2
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