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Can someone help this is so hard!!!

2) $$\overline{AD} \cong \overline{AD}$$ (reflexive property)
3) $$\triangle ABD \cong \triangle ACD$$ (AAS)
4) $$\angle BAD \cong \angle CAD$$ (CPCTC)
5) $$\overline{AD}$$ bisects $$\angle BAC$$ (if a segment splits an angle into two congruent parts, it is an angle bisector)