the area of circle lawn is 15.4 find its circumference
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Area of a circle = πr2
so 154 = 22/7 x r2
r2 = 154 x 7/22
r2 = 49
so 154 = 22/7 x r2
r2 = 154 x 7/22
r2 = 49
Answered by
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πr^2= 15.4
r^2= 15.4 ×7/22
r^2 = 4 .9
r= 0.7
circumference = 2πr
= 2×22/7×7/10
=22/5
= 4.4
r^2= 15.4 ×7/22
r^2 = 4 .9
r= 0.7
circumference = 2πr
= 2×22/7×7/10
=22/5
= 4.4
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