Need !
use the following scenario for questions 8 and 9.

8.
sarai loves music and decides to paint a music staff on her bedroom wall. she knows that it is important to make the lines parallel, or the end result will not look correct. she pencils in the image below, but before she uses paint, she wants to make sure the lines are parallel. remembering what she has learned in geometry class, she uses a piece of tape to make a transversal and decides to measure some angles.

using sarai’s measurements, line 1 must be parallel to line 3 according to which postulate or theorem?

9. question 9 5 pts
using sarai’s measurements, line 3 must be parallel to line 5 according to which postulate or theorem?
group of answer choices
converse of alternate exterior angles theorem
converse of alternate interior angles theorem
converse of same-side interior angles theorem
converse of corresponding angles postulate