document.write( "Question 684995: What I do if I know b and c but need to find answer to a \n" ); document.write( "
Algebra.Com's Answer #424287 by ReadingBoosters(3246)\"\" \"About 
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\"a%5E2+%2B+b%5E2+=+c%5E2\", so
\n" ); document.write( "\"a%5E2+=+c%5E2+-+b%5E2\", therefore
\n" ); document.write( "\"sqrt%28a%29%5E2+=+sqrt%28c%5E2-b%5E2%29\"
\n" ); document.write( "a = \"sqrt%28c%5E2-b%5E2%29\"
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