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how to find the area of a circle given the radius. The area of a circle when the radius is given is the area enclosed by a circle of radius r and is represented as Apir2 or Area of CirclepiRadius2. The general relationship between radius and the diameter is that the radius is half of the diameter.
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Radius of circle given area. The result will vary from zero when the height is zero to the full area of the circle when the height is equal to the diameter. Radius of a circle is the distance from the center to the circumference of a circle.
To find the area of a circle the radiusr or diameterd2 radius is required.
If the diameter of a circle is 88cm then the radius turns out to be 44cm. Watch this tutorial to see how its done. Area of a circle. We can calculate the area of a circle if you know its radius.
