One leg of an isosceles right triangle measures 5 inches. Rounded to the nearest tenth, what is the approximate length of the hypotenuse?

In an isosceles right triangle, the two legs are equal, so each leg is 5 inches. By the Pythagorean theorem, the hypotenuse is √(5² + 5²) = √50 ≈ 7.1 inches. Therefore, the correct choice is 7 point 1 inches.

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