find the area of a circle is 154 sq.m.what will be its circumference
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area of a circle = πr²
154 = 22/7 x r²
r² = 154 x 7/22 = 49
r = √49 = 7 m
circumference of circle = 2πr
= 2 x 22/7 x 7
= 44 m
154 = 22/7 x r²
r² = 154 x 7/22 = 49
r = √49 = 7 m
circumference of circle = 2πr
= 2 x 22/7 x 7
= 44 m
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