document.write( "Question 187735: The radius of the circle x^2+y^2-2x-2y+2=0\r
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Algebra.Com's Answer #140747 by nerdybill(7384)\"\" \"About 
You can put this solution on YOUR website!
Standard equation of a circle is:
\n" ); document.write( "(x - h)^2 + (y - k)^2 = r^2
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\n" ); document.write( "We \"complete the square\" to put our equation into the standard form:
\n" ); document.write( "x^2+y^2-2x-2y+2=0
\n" ); document.write( "x^2+y^2-2x-2y = -2
\n" ); document.write( "(x^2-2x)+(y^2-2y) = -2
\n" ); document.write( "(x^2-2x+1)+(y^2-2y+1) = -2+1+1
\n" ); document.write( "(x-1)^2+(y-1)^2 = 0
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\n" ); document.write( "Radius = 0\r
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