document.write( "Question 77304: Solve the following word problem.\r
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document.write( "The hypotenuse of a right triangle is four feet longer than three times the shorter leg. The longer leg is one foot less than the hypotenuse. Find the dimensions of the right triangle. \n" );
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Algebra.Com's Answer #55398 by checkley75(3666)![]() ![]() ![]() You can put this solution on YOUR website! HYP=(3X+4) X BEING THE SHORTEST LEG1. \n" ); document.write( "LONGER LEG2=(3X+4)-1 \n" ); document.write( "THUS THE HYP^2=(LEG1)^2+(LEG*2)^2 \n" ); document.write( "(3X+4)^2=X^2+(3X+4-1)^2 \n" ); document.write( "9X^2+24X+16=X^2+(3X+3)^2 \n" ); document.write( "9X^2+24X+16=X^2+9X^2+18X+9 WE CAN CANCEL OUT THE 9X^2 TERMS & WE HAVE LEFT \n" ); document.write( "24X-X^2-18X+16-9=0 \n" ); document.write( "-X^2+6X+7=0 \n" ); document.write( "X^2-6X-7=0 \n" ); document.write( "(X-7)(X+1)=0 \n" ); document.write( "X-7=0 \n" ); document.write( "X=7 ANSWER. \n" ); document.write( "HYP=3*7+4 \n" ); document.write( "HYP=21+4 \n" ); document.write( "HYP=25 ANSWER. \n" ); document.write( "LONG SIDE=(3*7+3) \n" ); document.write( "LONG SIDE=24 ANSWER. \n" ); document.write( "SHORT SIDE=7 ANSWER. \n" ); document.write( "25^2=24^2+7^2 \n" ); document.write( "625=576+49 \n" ); document.write( "625=625 \n" ); document.write( " |