Question 356382
Complete the square in {{{x}}} and {{{y}}},
{{{x^2+y^2-4x-6y+12=0}}}
{{{x^2-4x+y^2-6y+12=0}}}
{{{(x^2-4x+4)+(y^2-6y+9)+12=4+9}}}
{{{(x-2)^2+(y-3)^2=1}}}
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Center:({{{2}}},{{{3}}})
Radius: {{{R=1}}}