document.write( "Question 1010866: The length of the longer leg of a right triangle is
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document.write( "4m
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document.write( " more than twice the length of the shorter leg. The length of the hypotenuse is
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document.write( "6m
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document.write( " more than twice the length of the shorter leg. Find the side lengths of the triangle. \n" );
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Algebra.Com's Answer #626339 by fractalier(6550) You can put this solution on YOUR website! Call the length of the shorter leg, x. \n" ); document.write( "Then the longer leg is 2x + 4m. \n" ); document.write( "The hypotenuse is 2x + 6m. \n" ); document.write( "By the Pythagorean Theorem, we have \n" ); document.write( "a^2 + b^2 = c^2 \n" ); document.write( "x^2 + (2x + 4m)^2 = (2x + 6m)^2 \n" ); document.write( "x^2 + 4x^2 + 16xm + 16m^2 = 4x^2 + 24xm + 36m^2 \n" ); document.write( "Now collect like terms and get \n" ); document.write( "x^2 - 8xm - 20m^2 \n" ); document.write( "We can factor this into \n" ); document.write( "(x - 10m)(x + 2m) = 0 \n" ); document.write( "so that \n" ); document.write( "x = 10m or x = -2m \n" ); document.write( "If we assume m is positive, the solution must be x = 10m. \n" ); document.write( "Then the other sides are \n" ); document.write( "24m and 26m. \n" ); document.write( " |