+188 Which lines are parallel if m∠1+m∠2=180? Justify your answer.
A. j ∥k , by the Converse of the Same-Side Interior Angles Postulate
B. j ∥k , by the Converse of the Alternate Interior Angles Theorem
C. g∥h, by the Converse of the Alternate Interior Angles Theorem
D. g∥h, by the Converse of the Same-Side Interior Angles Postulate
