Question

Complete the flow chart to prove



someone pls help me pls pls asap

Answer 1

Vertical angles theorem (top one):
`\angle 1 \cong \angle 3`

Given:
`\angle 1 \cong \angle 2`

Transitive property of congruence:
`\angle 3 \cong \angle 4`

Vertical angles theorem (bottom one):
`\angle 2 \cong \angle 4`