document.write( "Question 612440: the locus of all pointsd in a plane that are one unit from a circle of radius 3 units is what?
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Algebra.Com's Answer #385468 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Suppose this green circle is of radius 3 units:\r\n" );
document.write( "\"drawing%28200%2C200%2C-4%2C4%2C-4%2C4%2C+green%28circle%280%2C0%2C3%29%29+%29\"\r\n" );
document.write( "Then the locus of all points which are 1 unit distance \r\n" );
document.write( "(radially) from each point on that green circle are these \r\n" );
document.write( "two red circles, one inside of radius 2 units and one \r\n" );
document.write( "outside of radius 4 units.\r\n" );
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document.write( "Edwin
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