document.write( "Question 919246: The perimeter of rectangular room is 32 m. The length of the diagonal is 8 m more than the width. Find the dimension of the room.
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Algebra.Com's Answer #557600 by josgarithmetic(39617)![]() ![]() ![]() You can put this solution on YOUR website! w for width, L for length; and d for diagonal. \n" ); document.write( "2w+2L=32 and d=8+w.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The diagonal serves as hypotenuse and w and L serve as legs of a right-triangle. \n" ); document.write( "w^2+L^2=d^2.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Simplify the perimeter equation and substitute for d into the other two equations: \n" ); document.write( " \n" ); document.write( "Still needs a bit of simplification, and then just solve the system.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "Substitute... \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |