Center and radius of a circle by going from general form to standard form
This calculator finds the center and the radius of the circle given the equation of a circle in a general form. It does so by converting a general form to a standard form equation if this is possible.
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Center and radius of a circle by going from general form to standard form
Enter a, b, c, d, e coefs of general equation of a circle in the following order: ax² + by² + cx + dy + e = 0
Digits after the decimal point: 2
General form equation of a circle
x2+y2−2x−4y−20=0
Standard form equation of the circle
(x−1)2+(y−2)2=52
Radius of the circle
5
Center of the circle
(1;2)
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