Hi

if you have a 45-90-45 triangle and you have the hypotenuse of 9√2 

what is the measure of the missing leg

Isoseles Rt triangle, 2 legs of equal length

Applying the Pythagorean Theorem:

  x^2 + x^2 = 162

     2x^2 = 162

      x^2 = 81

       x = 9   (Throwing away the negative solution for unit measure)

 

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