Select the correct answer from each drop-down menu. in δabc, . complete the proof showing that is parallel to . statement reason 1. given 2. 3. using common denominators 4. segment addition 5. substitution property of equality 6. ∠abc ≅ ∠dbe reflexive property of congruence 7. sas criterion for similarity 8. ∠bac ≅ ∠bde corresponding angles of similar triangles are congruent. 9. if the corresponding angles formed by two lines intersected by a transversal are congruent, then the lines are parallel.