the area of circular lawn is154 m2 find its circumference
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area of lawn = 154
Πr^2=154.
22/7×r^2=154
r^2=49. r=7m
circumference=2Πr=2×22/7×7=44m
Πr^2=154.
22/7×r^2=154
r^2=49. r=7m
circumference=2Πr=2×22/7×7=44m
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