when proving lines that are cut by a transversal are parallel, which sets of angles would you need to show are supplementary to prove parallelism? There are 2 answers.

Tamar is measuring the sides and angles of tuv to determine whether it is congruent to the triangle below. which pair of measurements would eliminate the possibility that the triangles are congruent

Math i have no idea how to do a and b

Given δjkl : δxyz, find x. a)10 b)12 c)16 d)20