document.write( "Question 480523: A circle has a diameter AB wher A is the point (6,4) and B is the point (-2,2). Find the radius of th circle and the equation of the circle in general form \n" ); document.write( "
Algebra.Com's Answer #329064 by ewatrrr(24785)\"\" \"About 
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\n" ); document.write( "Hi,
\n" ); document.write( "A circle has a diameter AB wher A is the point (6,4) and B is the point (-2,2)
\n" ); document.write( " (6,4)
\n" ); document.write( " (-2,2
\n" ); document.write( "diameter length = sqrt(8^2 + 2^2) = sqrt(68) |D = \"sqrt+%28%28x%5B1%5D-x%5B2%5D%29%5E2%2B%28y%5B1%5D-y%5B2%5D%29%5E2%29%29\"
\n" ); document.write( " r = 1/2sqr5t(68) = sqrt(17)
\n" ); document.write( "Standard Form of an Equation of a Circle is \"%28x-h%29%5E2+%2B+%28y-k%29%5E2+=+r%5E2\"
\n" ); document.write( "where Pt(h,k) is the center and r is the radius
\n" ); document.write( "\"%28x-h%29%5E2+%2B+%28y-k%29%5E2+=+17\"
\n" ); document.write( " (6,4)
\n" ); document.write( " (-2,2 C = (2, 3) Midpoint Pt(x,y): ( \"%28x%5B1%5D+%2B+x%5B2%5D%29%2F2\", \"%28y%5B1%5D+%2B+y%5B2%5D%29%2F2++%29\")
\n" ); document.write( "\"%28x-2%29%5E2+%2B+%28y-3%29%5E2+=+17\"
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