Can someone help me write a two-column proof?

Question

anonymous · Answer

attachment

studygurl14 · Answer

what do you have to prove?

anonymous · Answer

vuts is a parallelogram

studygurl14 · Answer

Is there any given information?

anonymous · Answer

yes sorry
given sv//tu and svx=utx

studygurl14 · Answer

SV is parallel to TU, and SVX = UTX
Okay, what do you know about opposite interior angles?

studygurl14 · Answer

|dw:1386875532417:dw|

anonymous · Answer

um idk. they're alternate angles?

studygurl14 · Answer

sorry, alternate interior angles, not opposite.
Anyway, <SUV and UTX are alternate interior angles, meaning they have to be congruent.
Here's what we have so far
|dw:1386875740010:dw|
What next?

anonymous · Answer

im not sure.

anonymous · Answer

Corresponding parts are congruent cause they bisect each other?

studygurl14 · Answer

Wait, are angles SUV and UTX congruent, or are TRIANGLES SUV and UTX congruent? There is a big difference

anonymous · Answer

idk im so confused

studygurl14 · Answer

in the lesson, it should have a triangle to signal that it is a triangle, and a < to signal that it is an angle