document.write( "Question 91120: Hello, my question is this: The length of a rectangle is 1cm longer than its width. If the diagonal of the rectangle is 4cm, what are the dimensions (the length and width) of the rectangle?
\n" ); document.write( "I started with a sketch of the problem and came up with the equation
\n" ); document.write( "x^2+(x+1)^2=4^2
\n" ); document.write( "x^2+x^2+2x+1=16
\n" ); document.write( "2x^2+2x-15=0
\n" ); document.write( "Now I don't know where to go from here Help me please! \n" ); document.write( "

Algebra.Com's Answer #66213 by vertciel(183) $\"\"$ $\"About$

You can put this solution on YOUR website!
I am not sure if I was the person who helped you with this problem earlier; this problem seems familiar.\r
\n" ); document.write( "\n" ); document.write( "2x^2 + 2x - 15 = 0\r
\n" ); document.write( "\n" ); document.write( "You can't factor to solve for the x roots so you'll have the use the quadratic formula.\r
\n" ); document.write( "\n" ); document.write( " $\"x+=+%28-2+%2B-+sqrt%28+%282%29%5E2-4%2A%282%29%2A%28-15%29+%29%29%2F%282%2A2%29+\"$ \r
\n" ); document.write( "\n" ); document.write( "There you are. \n" ); document.write( "

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