Answer:
D. HL
Explanation:
The hypotenuse, TU, and one leg, ST, of right triangle STU is congruent to the hypotenuse, YZ, and the a corresponding one leg, XY, of right triangle XYZ.
Therefore, by the Hypotenuse-Leg (HL) Congruence Theorem, ∆STU is congruent to ∆XYZ.
