document.write( "Question 417593: I have been working on this word problem awhile and haven't come up with an answer yet. Can you please help me?\r
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document.write( "A toy manufacturer needs a piece of plastic in the shape of a right triangle with the longer leg 4cm more than the shorter leg and the hypotenuse 8 cm more than the shorter leg. How long should the sides of the triangle be?\r
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document.write( "The sides are_________\r
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Algebra.Com's Answer #292334 by sudhanshu_kmr(1152)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "shorter side is x and longer side is x+4 .\r \n" ); document.write( "\n" ); document.write( "hypotenuse = 8+x\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(8+x)^2 = x^2 + (x+4)^2\r \n" ); document.write( "\n" ); document.write( "=> x^2 + 16x + 64 = x^2 + x^2 + 8x + 16\r \n" ); document.write( "\n" ); document.write( "=> x^2 + 8x +16 - 16x -64 = 0\r \n" ); document.write( "\n" ); document.write( "=> x^2 - 8x -48 = 0\r \n" ); document.write( "\n" ); document.write( "=> x^2 - 12x + 4x -48 = 0\r \n" ); document.write( "\n" ); document.write( "=> x(x-12) +4(x-12) = 0\r \n" ); document.write( "\n" ); document.write( "=> (x+4)(x-12) = 0\r \n" ); document.write( "\n" ); document.write( "so, x =12, because x= -4 is not possible..\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "so, sides are 12, 16 and 20 \r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |