Geometry

Question Analysis:
This question tests understanding of corresponding angles in congruent triangles.

Key Concept Explanation:
Corresponding angles are congruent and appear in the same position in the naming order.

Step-by-Step Solution:
⊿PQR ≅ ⊿STU implies:
P ↔ S, Q ↔ T, R ↔ U.
Thus, ∠Q ≅ ∠T.

Option Analysis:
B is correct; others mismatch positions.

Common Mistakes:
Assuming the first or last angles correspond.

Summary：
In congruent triangles, the order of the vertices in the triangle names determines the c...