document.write( "Question 435673: the hypotenuse of an isosceles right triangle is 7 centimeters longer than either of its legs. Find the exact length of each side(an isosceles right triangle is a right riangle whose legs are the same length)\r
\n" ); document.write( "\n" ); document.write( "The length of one leg is
\n" ); document.write( "The length of the oter leg is
\n" ); document.write( "the length of the hypotenuse is
\n" ); document.write( "(simplify your answer using radicals as needed)
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Algebra.Com's Answer #301493 by mananth(16946)\"\" \"About 
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x^2+x^2=(x+7)^2
\n" ); document.write( "2x^2=x^2+14x+49
\n" ); document.write( "x^2-14x-49=0
\n" ); document.write( "Find the roots of the equation by quadratic formula
\n" ); document.write( "a= 1 b= -14 c= -49
\n" ); document.write( "b^2-4ac=196+196
\n" ); document.write( "b^2-4ac=392 sqrt(392)=19.8
\n" ); document.write( "\"x=%28-b%2B-sqrt%28b%5E2-4ac%29%29%2F%282a%29\"
\n" ); document.write( "\"x1=%28-b%2Bsqrt%28b%5E2-4ac%29%29%2F%282a%29\"
\n" ); document.write( "x1=(14+19.8)/2
\n" ); document.write( "x1=16.9
\n" ); document.write( "x2=(14-19.8)/2
\n" ); document.write( "x2= -2.9
\n" ); document.write( "Ignore negative value
\n" ); document.write( "The leg is 16.9 cm
\n" ); document.write( "Hypotenuse = 23.9 cm
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