Question

Please help with this.

Answer 1

1.
`\overline{AB} \cong \overline{DC}, \angle ABC \cong \angle DCB` (given)

2.
`\overline{BC} \cong \overline{BC}` (reflexive property)

3.
`\triangle ABC \cong \triangle DCB` (SAS)

4.
`\overline{AC} \cong \overline{DB}` (CPCTC)