document.write( "Question 872924: The width of a rectangle is 20 cm. The diagonal is 8 cm more than the
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document.write( "length. Find the length of the rectangle.
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document.write( "a. \n" );
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Algebra.Com's Answer #526529 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! Applying the Pythagorean theorem \n" ); document.write( "(L+8)^2 - 400 = L^2 \n" ); document.write( "L^2 + 16L + 64 - 400 = L^2 \n" ); document.write( " 16L + 64 = 400 \n" ); document.write( " 16L = 336 \n" ); document.write( " L = 21cm \n" ); document.write( " |