find the diameter of a circle whose area is 13.86m square
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area=πr×r
13.86m =22/7×r×r
13.86×7/22=r×r
0.63×7=r×r
4.41=r×r
√4.41=r
2.21=r
Diameter=2×r
=2×2.21
=4.42
13.86m =22/7×r×r
13.86×7/22=r×r
0.63×7=r×r
4.41=r×r
√4.41=r
2.21=r
Diameter=2×r
=2×2.21
=4.42
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