The radius of a circle with the area of 36 is 3.385
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The radius is 12
Area of a Circle = (pi)(r^2) Diameter = 2r If the diameter of the circle is 12, then the radius has to be 6. If the area of a circle is pi times the square of the radius, and the square of 6 is 36 (6x6), then the area of the circle is 36pi.
Use this equation to find the area of a circleA=pi*r^2where r is the radius of the circle and A is the areaA=pi*6^2A=pi*36≈113 feet
The area of a circle if the radius is 9m 254.5m2
A circle with a radius of 10m has an area of 314.16 m2