Right Isosceles triangle: solve for the length of the unknown legs

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urekmazino
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For a right isosceles triangle (45-45-90) of hypotenuse 1, solve for the length of the unknown legs. Give an exact answer and rationalize the denominator in the final answer.
 
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kindly in form what you have tried so that we can help you
 
Call the length of each leg "x" and set up the Pythagorean theorem. Solve for x.