document.write( "Question 606640: The school stage is rectangular in shape. Its diagonal is 13 m the length of the rectangle is 7 m longer than its width. Find the length and the width of the rectangle \n" ); document.write( "
Algebra.Com's Answer #382213 by jimdris(2) ![]() You can put this solution on YOUR website! X^2 + (X + 7)^2 = 13^2 (Pythagorean theorem)\r \n" ); document.write( "\n" ); document.write( "X^2 + X^2 + 14X + 49 = 169\r \n" ); document.write( "\n" ); document.write( "2X^2 + 14X = 120\r \n" ); document.write( "\n" ); document.write( "X^2 + 7X = 60\r \n" ); document.write( "\n" ); document.write( "X(X+7) = 60\r \n" ); document.write( "\n" ); document.write( " X = 5 WIDTH OF STAGE\r \n" ); document.write( "\n" ); document.write( " X+ 7 = 12 LENGTH OF STAGE \n" ); document.write( " |