Question

Which lines are parallel if m1 + m2 = 180? Justify your answer.
https://www.connexus.com/content/media/451160-12162010-100300-AM-1098399062.png
j || k, by the Converse of the Same-Side Interior Angles Theorem
j || k, by the Converse of the Alternate Interior Angles Theorem
g || h, by the Converse of the Alternate Interior Angles Theorem
g || h, by the Converse of the Same-Side Interior Angles Theorem

Answer 1

first one

Answer 2

thanks