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
