A = 25 pi so R = 5, making C = 10 pi ie 31.415 m
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It is 25.1 metres, approx.
If the circumference of a circle is 6.28 then its area is about 3.138 square units
area of a circle = pi * radius² = 1 radius = √(1/pi) circumference = 2pi * radius = 2pi * √(1/pi) = 3.5449077
The area of a circle with a circumference of 9.42 inches is: 7.061 square inches.
If the circumference of a circle is 44 inches, the area is: 154 square inches.