Help, please and thank you

Which theorem or postulate would you use in the previous exercise to prove that a || b ?

A Converse of the Alternate Interior Angles Theorem

B. Converse of the Corresponding Angles Theorem

C. Converse of the Alternate Exterior Angles Theorem

D. Converse of the Same-Side Interior Angles Postulate

Help please and thank you Which theorem or postulate would you use in the previous exercise to prove that a b A Converse of the Alternate Interior Angles Theore class=