Respuesta :
Answer:
∠1 ≅ ∠2
Step-by-step explanation:
The transitive property says that if ∠1 ≅ ∠3 and ∠1 ≅ ∠2, then ∠2 ≅ ∠3. The missing part of this statement in the paragraph is ∠1 ≅ ∠2.
Answer:
[tex]\angle 1\cong \angle 2[/tex]
Step-by-step explanation:
We have to find the missing statement in the given proof.
Angle 1 is congruent to angle 3
Given
Line a is parallel to line b
Given
[tex]\angle 1\cong \angle 2[/tex]
By using alternate exterior angles theorem.
[tex]\angle 2\cong \angle 3[/tex]
Therefore, [tex]\angle 2\cong \angle 3[/tex]
By the transitive property of congruence.
So, we can conclude that lines e and f are parallel by the converse alternate exterior angles theorem.
Answer:[tex]\angle 1\cong \angle 2[/tex]