Center: $(0,0)$ Radius: $r=7$
Work Step by Step
The equation of a circle in standard form: $(x-h)^2+(y-k)^2=r^2$ in which $(h,k)$ is the center and $r$ is the radius $x^2+y^2=49$ $(x-0)^2+(y-0)^2=7^2$ Center: $(0,0)$ Radius: $r=7$
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