Pls use the guide to construct a two column proof proving △aec ≅ △deb, given that ca is parallel to db and e is the midpoint of ad. given: ca || db e is the midpoint of ad prove: △aec ≅ △deb statement reason 1.ca || db e is the midpoint of ad 1. 2. 2. 3. 3. definition of midpoint 4. △ aec ≅ △ deb 4.