document.write( "Question 109799: Solve for a\r
\n" ); document.write( "\n" ); document.write( "c = sqrt a^2 + b^2
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Algebra.Com's Answer #80080 by MathLover1(20855)\"\" \"About 
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\n" ); document.write( "Solve for \"a\"\r
\n" ); document.write( "\n" ); document.write( "\"c+=++sqrt+%28a%5E2+%2B+b%5E2%29\"..........raise both sides to the second power \r
\n" ); document.write( "\n" ); document.write( "\"c%5E2+=++%28sqrt+%28a%5E2+%2B+b%5E2%29%29%5E2\"..........\r
\n" ); document.write( "\n" ); document.write( "\"c%5E2+=++a%5E2+%2B+b%5E2\"..........move \"b%5E2\" to the left\r
\n" ); document.write( "\n" ); document.write( "\"c%5E2+-+b%5E2=++a%5E2+\"..........\r
\n" ); document.write( "\n" ); document.write( "or\r
\n" ); document.write( "\n" ); document.write( "\"a%5E2+=+c%5E2+-+b%5E2+\"..........\r
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\n" ); document.write( "\n" ); document.write( "then:\r
\n" ); document.write( "\n" ); document.write( "\"a+=+sqrt%28c%5E2+-+b%5E2%29\"
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