In Exercises 1 and 2, complete the proof.
1. Given PQ=RS
Prove PR=QS
2. Given ∠1 is a complement of ∠2.
∠2≅∠3

Prove ∠1 is a complement of ∠ 3
In Exercises 3-6, name the property that the statement illustrates.
3. If PQ≅ ST and ST≅UV, then PQ≅UV

In Exercises 1 and 2 complete the proof 1 Given PQRS Prove PRQS 2 Given 1 is a complement of 2 23 Prove 1 is a complement of 3 In Exercises 36 name the property class=