document.write( "Question 252093: *i tried to put this in the geometry category for pythagreon thereom but for some reason it wouldnt let me \r
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document.write( "The hypotenuse of a right triangle is 2cm longer than one leg and 4cm longer then the other.\r
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document.write( "a.draw and label a diagram
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document.write( "- i attempted to do this and i got the hypotenuse to be 4x and one leg to be 2x and the other to be x\r
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document.write( "b.let x represent the length of the hypotenuse. Use the pythagreon thereom to write an equation to solve for x.\r
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document.write( "-i used a squared + b squared=c squared and got 2x squared plus x squared= 4x squared, i was not sure if this was correct but i had to make an attempt\r
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document.write( "c. find the solutions from the equation in part b.
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document.write( "- i tried to solve for x but i got zero which cant be right because if you plug it into the equation you get zero for all the sides which would make this whole question pointless\r
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document.write( "help would be very appreciated
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Algebra.Com's Answer #183851 by stanbon(75887) ![]() You can put this solution on YOUR website! The hypotenuse of a right triangle is 2cm longer than one leg and 4cm longer then the other. \n" ); document.write( "a.draw and label a diagram \n" ); document.write( "Let one leg be x-2. \n" ); document.write( "hypotenuse = x \n" ); document.write( "Other leg = x-4 \n" ); document.write( "----------------------- \n" ); document.write( "b.let x represent the length of the hypotenuse. Use the pythagreon thereom to write an equation to solve for x. \n" ); document.write( "Equation: \n" ); document.write( "x^2 = (x-2)^2 + (x-4)^2 \n" ); document.write( "x^2 = x^2-4x+4 + x^2-8x+16 \n" ); document.write( "x^2 = 2x^2 - 12x + 20 \n" ); document.write( "x^2-12x+20 = 0 \n" ); document.write( "(x-10)(x-2) = 0 \n" ); document.write( "x = 2 or x = 10 \n" ); document.write( "----------------------- \n" ); document.write( "Only solution is x=10 because all sides must be positive. \n" ); document.write( "hypotenuse = 10 \n" ); document.write( "leg = 10-2 = 8 \n" ); document.write( "leg = 10-4 = 6 \n" ); document.write( "---------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "---------------------- \n" ); document.write( " |