Question 843541
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Hi,
The hypotenuse of an isosceles right triangle measures 16 cm. 
Find the length of a side {{{ highlight_green(x) }}}
Using the Pythagorean Theorem
 x^2 + x^2 = 256
  2x^2 = 256
  x^2 = 128
  x = {{{ sqrt(128) = sqrt(64*2) = 8sqrt(2) }}}
(Tossing out the negative solution for unit measure)