Question

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Answer 1

1.
`\overline{AB} \cong \overline{CB}`,
`D` is the midpoint of
`\overline{AC}`

2.
`\overline{AD} \cong \overline{DC}`

3.
`\overline{BD} \cong \overline{BD}`

4.
`\triangle ABD \cong \triangle CBD`