\"\"

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The lengths of two sides of a right triangle are \"\".

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To find: side a.

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Apply Pythagorean theorem: \"a

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\"\"         (Substitute \"\" for b and 22 for c)

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\"\"                 (Evaluate powers: \"\")\"\"

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\"\"(Subtract 123 from each side)

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\"\"                           (Subtract: \"\")

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\"\"                    (Apply square root to each side)

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\"\"                     (Write \"\")

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\"\"                               (Cancel square and root)\"\"

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The length of the third side \"\".