is it possible to prove the lines are parrallel or not parallel? if so, state the postulate or theorem you would use. if not, state cannot be determined.

complete 1, 2, and 3
HELP

is it possible to prove the lines are parrallel or not parallel if so state the postulate or theorem you would use if not state cannot be determined complete 1 class=

Respuesta :

Answer:

If two lines are cut by a transversal and the consecutive exterior angles are supplementary, then the two lines are parallel.

Step-by-step explanation:

Keep in mind you do not need to check every one of these 12 supplementary angles. Just checking any one of them proves the two lines are parallel!