# Circle

From the equation of a circle:

$2x_{2}+2y_{2}+20x−20y+68=0$

Calculate the coordinates of the center of the circle S[x

$2x_{2}+2y_{2}+20x−20y+68=0$

Calculate the coordinates of the center of the circle S[x

_{0}, y_{0}] and radius of the circle r.### Correct answer:

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