Mat
2. suppose and ∠r ≅ ∠n. what additional information is needed to prove ∆rtj ≅ ∆ndf by the asa postulate?

∠t ≅ ∠f

∠j ≅ ∠d

∠r ≅ ∠n

∠t ≅ ∠d

3. in ∆stu, which angles include u s ?

∠s and ∠t

∠s and ∠u

∠t and ∠u

∠t and ∠s