document.write( "Question 1060209: The sides of a rectangular floor are x m and (x+7)m.the diagonal is (x+8)m.
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document.write( "Calculate
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document.write( "I)the value of x.
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document.write( "II)the area of the floor. \n" );
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Algebra.Com's Answer #801785 by CubeyThePenguin(3113) You can put this solution on YOUR website! x^2 + (x+7)^2 = (x+8)^2\r \n" ); document.write( "\n" ); document.write( "2x^2 + 14x + 49 = x^2 + 16x + 64\r \n" ); document.write( "\n" ); document.write( "x^2 - 2x - 15 = 0\r \n" ); document.write( "\n" ); document.write( "(x-5)(x+3) = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 5 ==> sides of floor are 5 m and 12 m\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Area = 5(12) = |