The area of a circular lawn is 154m²,find its circumference
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area = 154 m^2
π r* r = 154
(22/7) * r * r = 154
r * r = 154*7/22
r * r = 49
r = 7 m
circumference = 2 * π r
2 * (22/7) * 7 = 44m
π r* r = 154
(22/7) * r * r = 154
r * r = 154*7/22
r * r = 49
r = 7 m
circumference = 2 * π r
2 * (22/7) * 7 = 44m
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