Respuesta :

Answer:

Step-by-step explanation:

If any pair of

(i) alternate interior angles  are congruent   or

(ii) corresponding angles are congruent   OR

(iii) Co-interior angles are supplementary    OR

(iv) alternate exterior angles are congruent  

then the lines are parallel.

∠8 = ∠2    ;  ∠2 and ∠8 are alternate exterior angles.

As they are equal  l // m