The area of a circle is calculated as the value pi(3.1416...) times the square of the radius of that circle.
In this case, where a circle has a diameter of 55 meters, the radius, which is half the diameter, will be 25 meters.
So to solve for the area (A) of this circle:
A = pi x r2 = 3.1416 x 25m x 25m = 1963.5m2 = 1963.5 square meters.
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a circle having a diameter of 1.4732 meters has an area of about 1.7 square meters.
A circle with a diameter of 220 meters has an area of 38,000 square meters.
The answer is 7,068 m2.
Area of circle: pi*1.85 squared = 10.75 square meters to two decimal places
Answer = 3.14 x 52 / 4 = 19.625 sq meters