Answer:
The options to complete the proof are placed in the boxes of the attached drawing created with Microsoft Word
Step-by-step explanation:
Please see attached drawing of the proof created with Microsoft Word
The two column proof can be presented as follows;
Statement [tex]{}[/tex] Reason
[tex]\underset{m}{\leftrightarrow } \parallel \underset{n}{\leftrightarrow }[/tex] [tex]{}[/tex] Given
m∠3 + m∠4 = 180° [tex]{}[/tex] Linear pair postulate
∠1 ≅ ∠3 [tex]{}[/tex] Corresponding Angle Theorem
m∠1 + m∠4 = 180° [tex]{}[/tex] Transitive Property
m∠1 and m∠4 are supplementary [tex]{}[/tex] Definition of supplementary angles