If △PQR∼△JKL , which statements are correct?(1

Based on the given information, if △PQR∼△JKL, the following statements are correct:

1. The corresponding angles of the triangles are congruent.
2. The corresponding sides of the triangles are proportional.
3. The triangles have the same shape but may have different sizes.
4. The triangles have similar corresponding angles.
5. The ratio of corresponding side lengths in the triangles remains constant throughout the triangle.