document.write( "Question 160319: hey,
\n" ); document.write( "could you please solve this problem for me, and thanks,\r
\n" ); document.write( "\n" ); document.write( "A rectangle, 3cm longer than it is wide, has a diagonal 15cm long. find the dimensions fo the rectangle.\r
\n" ); document.write( "\n" ); document.write( "i will be waiting for the answer,\r
\n" ); document.write( "\n" ); document.write( "thank you again,
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Algebra.Com's Answer #118270 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
L=W+3
\n" ); document.write( "HERE YOU HAVE A RIGHT TRIANGLE OF SIDES L & W WITH AN HYPOTENUSE=15
\n" ); document.write( "THUS USING THE PYTHAGOREAN THEOREM (A^2+B^2=C^2)WE GET:
\n" ); document.write( "(W+3)^2+W^2=15^2
\n" ); document.write( "W^2+6W+9+W^2=225
\n" ); document.write( "2W^2+6W+9-225=0
\n" ); document.write( "2W^2+6W-216=0
\n" ); document.write( "2(W^2+3W-108)=0
\n" ); document.write( "2(W-9)(W+12)=0
\n" ); document.write( "W-9=0
\n" ); document.write( "W=9 FOR THE WIDTH
\n" ); document.write( "L=9+3=12 FOR THE LENGTH.
\n" ); document.write( "PROOF:
\n" ); document.write( "9^2+12^2=15^2
\n" ); document.write( "81+144=225
\n" ); document.write( "225=225\r
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