document.write( "Question 926757: A rectangle has a length which is 14 cm longer than its width. If the diagonal of the rectangle is 34 cm long, what is the perimeter of the rectangle? \n" ); document.write( "
Algebra.Com's Answer #562451 by srinivas.g(540)\"\" \"About 
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Let width be w cm
\n" ); document.write( "length = (w+14) cm
\n" ); document.write( "Diagonal = 34 cm
\n" ); document.write( "As per pythagorean theorem ,
\n" ); document.write( " \"+diagonal%5E2+=length%5E2%2Bwidth%5E2%29\"
\n" ); document.write( " \"+34%5E2+=%28w%2B14%29%5E2%2Bw%5E2\"
\n" ); document.write( " \"+1156+=%28w%2B14%29%2A%28w%2B14%29+%2Bw%5E2\"
\n" ); document.write( " \"1156++=w%28w%2B14%29%2B14%28w%2B14%29%2Bw%5E2\"
\n" ); document.write( " \"+1156++=+w%5E2%2B14w%2B14w%2B196%2Bw%5E2\"
\n" ); document.write( " \"+1156+=+w%5E2%2B28w+%2B196%2Bw%5E2\"
\n" ); document.write( " \"1156=+2+w%5E2%2B28+w%2B196\"
\n" ); document.write( " mve 1156 to the right
\n" ); document.write( " \"0+=+2w%5E2+%2B28w%2B196-1156\"
\n" ); document.write( " \"+0+=+2w%5E2%2B28w-960\"
\n" ); document.write( " divide with 2 each and every term on both sides
\n" ); document.write( " \"+0%2F2+=+%282w%5E2%2F2%29+%2B28w%2F2-960%2F2\"
\n" ); document.write( " \"0+=+w%5E2%2B14w-480\"
\n" ); document.write( " \"0+=w%5E2%2B30w-16w-480\"
\n" ); document.write( " \"0+=w%28w%2B30%29-16%28w%2B30%29\"
\n" ); document.write( " \"0+=%28w%2B30%29%28w-16%29\"
\n" ); document.write( " possible solution
\n" ); document.write( " either (w+30)= 0 or (w-16)=0
\n" ); document.write( " w=-30 or w= 16
\n" ); document.write( " w cannot be negative
\n" ); document.write( "hence w= 16 cm
\n" ); document.write( " length = 16+14 = 30 cm
\n" ); document.write( "Perimeter =\"+2%28length%2Bwidth%29\"
\n" ); document.write( " =\"2%2830%2B16%29\"
\n" ); document.write( " =\"2%2846%29\"
\n" ); document.write( " = 92 cm
\n" ); document.write( "Result : Perimeter = 92 cm \r
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