Answer:
→ Statement: ‹2 ≈ ‹3
reason: Alternate angles
→ Statement: ‹1
reason: Given
→ Statement: ‹4
reason: Given
→ Statement: ‹1 ≈ ‹4
reason: corresponding
→ Statements: ‹4 and ‹3
reason: def. of supplementary
→ Statement: ‹5 ≈ ‹6
reason : corresponding
but ‹1 = ‹4 and ‹2 = ‹3