document.write( "Question 799012: The longer side of a rectangle is double the length of the shorter side. If the length of the diagonal is 10 cm, find the dimensions of the rectangle \n" ); document.write( "
Algebra.Com's Answer #482456 by Finavon(81)\"\" \"About 
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sides l and 2l
\n" ); document.write( "\"+diagonal%5E2+=+l%5E2+%2B+4%2Al%5E2+=+100+\"
\n" ); document.write( "so \"+5%2Al%5E2+=+100+\"
\n" ); document.write( "\"+l%5E2+=+20+=+4%2A5\"
\n" ); document.write( "and \"+l+=+2%2Asqrt%285%29+\"
\n" ); document.write( "rectangle is \"+2%2Asqrt%285%29+\" by \"+4%2Asqrt%285%29+\"\r
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\n" ); document.write( "\"+diagonal=sqrt%28%284%2A5%29+%2B+%2816%2A5%29+%29+=+sqrt%2820%2B80%29+=+sqrt%28100%29+=+10+\"
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