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If ABC ≅ DBC, Then B Is the Midpoint of AD: The Geometry Proof Explained

When a geometry problem says or implies that △ABC ≅ △DBC and asks you to show that B is the midpoint of AD, the key is not a complicated formula. The proof turns on identifying corresponding sides and then applying the definition of a midpoint. The wording behind this search query is commonly written in symbolic form as “If △ABC…