document.write( "Question 82015: Hi there,
\n" ); document.write( "This problem was on my homework assignment last night, and my teacher marked it wrong. I don't know what I did wrong. This was the work I did.
\n" ); document.write( "5^2 + 12^2 = x^2
\n" ); document.write( "25 + 144 = x^2
\n" ); document.write( "169=x^2
\n" ); document.write( "x=13
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\n" ); document.write( "Thanks! \n" ); document.write( "
Algebra.Com's Answer #58749 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Refer to the figure below with the labeled points:\r\n" );
document.write( "Your error was that you thought x stood for AB when\r\n" );
document.write( "it really only stood for AD, and so you found the\r\n" );
document.write( "entire hypotenuse correctly as 13. But that was AB.\r\n" );
document.write( "To get AD you must subtract BD.  Now both BC and BD\r\n" );
document.write( "are radii of the same circle, and since all radii of \r\n" );
document.write( "a circle are equal in length, and BC = 5, then BD is\r\n" );
document.write( "also 5 and to find x you must subtract BD, which is 5,\r\n" );
document.write( "from AB, which you calculated as 13, and get x = 8. \r\n" );
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document.write( "Edwin
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