\"\"

\

The side lengths are \"\".

\

\"a                  (Apply Pythagorean theorem)

\

\"\"           (Substitute \"\")\"\"

\

\"\"   (Evaluate powers: \"\")

\

\"\"              (Add: \"\")

\

So it is a right traingle.

\

\"\"

\

The traingle with the given side lengths is a right traingle.