find the area of circle whose circumference is 30
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circumference=30
2pier=30
2×22/7×r=30
r=30×7/2×22
r=105/22
Area=pier^2
=22×105×105/7×22×22
=71.62approx
area =71.62
2pier=30
2×22/7×r=30
r=30×7/2×22
r=105/22
Area=pier^2
=22×105×105/7×22×22
=71.62approx
area =71.62
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