The proof that ux ≅ sv is shown. given: △stu an equilateral triangle ∠txu ≅ ∠tvs prove: ux ≅ sv what is the missing statement in the proof? statement reason 1. ∠txu ≅ ∠tvs 1. given 2. ∠stv ≅ ∠utx 2. reflex. prop. 3. △stu is an equilateral triangle 3. given 4. st ≅ ut 4. sides of an equilat. △ are ≅ 5. ? 5. aas 6. ux ≅ sv 6. cpctc △sxu ≅ △tvs △uvx ≅ △sxv △swx ≅ △uwv △tux ≅ △tsv