Respuesta :

9514 1404 393

Explanation:

Statement . . . . Reason

1. UR ║ ST . . . . given

2. US ≅ SU . . . . reflexive property of congruence

3. ∠RUS ≅ ∠TSU . . . . alternate interior angles are congruent

4. ∠RSU ≅ ΔTUS . . . . HA congruence theorem