document.write( "Question 458242: find the radius of the circle defined with these three points. (0,1),(8,1),(4,5) \n" ); document.write( "
Algebra.Com's Answer #314335 by Alan3354(69443)\"\" \"About 
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2 points have the same y, (0,1) and (8,1).
\n" ); document.write( "The 3rd point's x is 1/4 of the other 2, so the 1st 2 points are a diameter.
\n" ); document.write( "That makes the center (4,1) and the radius 4.
\n" ); document.write( "--> \"%28x-4%29%5E2+%2B+%28y-1%29%5E2+=+4%5E2\"
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