document.write( "Question 160319: hey,
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document.write( "could you please solve this problem for me, and thanks,\r
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document.write( "A rectangle, 3cm longer than it is wide, has a diagonal 15cm long. find the dimensions fo the rectangle.\r
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document.write( "i will be waiting for the answer,\r
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document.write( "thank you again,
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Algebra.Com's Answer #118270 by checkley77(12844)![]() ![]() ![]() 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 \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |