Using 3.14 as Pi the area of circle is: 28.259999999999998
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The circumference of a circle with a radius of 3 m is: 18.85 m.
Area of a circle: pi times radius squared
Using 3.14 as Pi the area of circle is: 153.86
Area = pi*11.32 = 401.149 square m to 3 d.p.
78.53981634 meters.