document.write( "Question 527857: if the center of a circle is at the point (-2,8) and the circle goes through the origin, whats the radius \n" ); document.write( "
Algebra.Com's Answer #349038 by Alan3354(69443)\"\" \"About 
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The radius is the distance from (-2,8) to (0,0)
\n" ); document.write( "\"r+=+sqrt%28%28-2%29%5E2+%2B+8%5E2%29\"
\n" ); document.write( "\"r+=+sqrt%2868%29+=+2sqrt%2817%29\"
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