document.write( "Question 847569: find the centre of a circle passing through the points (6,-6) (3,-7) (3,3). also find the radius. \n" ); document.write( "
Algebra.Com's Answer #510554 by richwmiller(17219)\"\" \"About 
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A circle that passes through both (3,-7) (3,3) has a diameter of 10 (7+3), radius of 5 and centre at (3, -2) since -7+5=-2 and 3-5=-2\r
\n" ); document.write( "\n" ); document.write( "(x-3)^2+(y+2)^2 = 25
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