\"\"

\

The side lengths are \"\".

\

\"a              (Apply Pythagorean theorem)

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\"\"       (Substitute: \"\")\"\"

\

\"\"  (Evaluate powers: \"\")

\

\"\"         (Add: \"\")

\

The equality is true. So, it is a right traingle.

\

\"\"

\

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