document.write( "Question 308612: The hypotenuse of a right triangle is 8 feet less than three times the shorter leg and the longer leg is 8 feet more than twice the shorter leg. Find the lengths of the three sides of the triangle. \r
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document.write( "I already know the formula, I can't work it out. I don't know how. \n" );
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Algebra.Com's Answer #220655 by mananth(16946)![]() ![]() You can put this solution on YOUR website! The hypotenuse of a right triangle is 8 feet less than three times the shorter leg and the longer leg is 8 feet more than twice the shorter leg. Find the lengths of the three sides of the triangle. \r \n" ); document.write( "\n" ); document.write( "let the shorter leg be x \n" ); document.write( "3times shorter leg = 3x \n" ); document.write( "8 feet less than 3 times shorter leg = 3x-8 \n" ); document.write( "Hypotenuse = 3x-8 \n" ); document.write( ". \n" ); document.write( "2 times shorter leg = 2x \n" ); document.write( "8 feet more than 2 times shorter leg \n" ); document.write( "longer leg =2x+8 \n" ); document.write( ". \n" ); document.write( "x^2+(2x+8)^2= (3x-8)^2 \n" ); document.write( "x^2+4x^2+32x+64 = 9x^2-48x+64 \n" ); document.write( "4x^2-80x=0 \n" ); document.write( "4x(x-20)=0 \n" ); document.write( "x=20 feet\r \n" ); document.write( "\n" ); document.write( "shorter leg = x \n" ); document.write( "longer leg = 2x+8 \n" ); document.write( "=40+8 \n" ); document.write( "=48 feet \n" ); document.write( ". \n" ); document.write( "hypotenuse = 3x-8 \n" ); document.write( "= 60-8 \n" ); document.write( "= 52 feet \n" ); document.write( ". \n" ); document.write( "20^+48^2= 52^2 \n" ); document.write( "2704 = 2704\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |