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Equation for Area of a Circle
Circle is defined as set of all the points that have same distance. Circle is one of the most important geometrical shapes. The common equation of the circle is (x-h)^2 + (y-k)^2 = r^2, where(h,k) are the center coordinates and r is the radius. Using the equation of a circle we can find the radius and center point of any circle..
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