\"\"

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The side lengths of a right triangle are \"\" ; \"c.

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Apply Pythagorean theorem: \"a

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\"\"              (Substitute 12 for a and 6 for b)

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

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\"\"                     (Add: \"\")

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

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\"\"                   (Cancel square and root)

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\"\"                     (Use a calculator: \"\")\"\"

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The length of the hypotenuse \"\".