In the diagram, PQ←→ ∥ RS←→ , and transversal t intersects both lines.
Select all of the true statements.
1. ∡7 ≅ ∡6 because they are vertical angles
2. ∡7 ≅ ∡5 because they are corresponding angles
3. ∡7 ≅ ∡2 because they are alternate exterior angles
4. ∡7 ≅ ∡1 because they are alternate exterior angles
