the area of a circular lawn is 154 metres square find its circumference What is the meaning of *
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Area =154 sq meters
πr^2 = 154 (π=22/7)
r^2= (154×7)/22
r^2= 7×7
r= 7m
Circumference = 2πr
=2 × (22/7) × 7
= 2×22
= 44m
πr^2 = 154 (π=22/7)
r^2= (154×7)/22
r^2= 7×7
r= 7m
Circumference = 2πr
=2 × (22/7) × 7
= 2×22
= 44m
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