#### Answer

PROOF
Statements | Reasons
1.) $\angle4$ is congruent to $\angle6$ | 1.) Given
2.) $\angle4$ is congruent to $\angle5$ | 2.) If two angles are vertcal $\angle$s, then they are congruent
3.) $\angle5$ is congruent to $\angle6$ | 3.) Transitive Property