Question 1185018
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c^2=a^2+b^2<br>
{{{(x+2)^2=x^2+x^2}}}
{{{x^2+4x+4=2x^2}}}
{{{x^2-4x-4=0}}}<br>
The quadratic does not factor; use the quadratic formula to solve for x; obviously you want to pick the positive solution.<br>
Then the leg lengths are x and the hypotenuse length is x*sqrt(2).<br>