Using 3.14 as Pi the area of circle is: 153.86
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Area of any circle = pi*radius squared
The equation for a circle is PiD. The diameter is double the radius, so it is 7 yards in this case. The circumference is 7*PI. Which is approximately 21.98.
The area is 154 cm2
The area of a circle is equal to pi*r2, where pi is the radius. In this case, the area is equal to pi*(7 feet)2, which is about 154 square feet.
A circle with a radius of 7 meters has an area of 153.94 square meters.