1. There are two congruent angles (angle yxw and angle wzx)
2. There are two congruent edges (yw and wz; since both triangles share a side in this case, it is automatically congruent)
and
3. This is a SAS triangle (two given sets of congruent sides and one given congruent set of angles).
Hope this helps! If you need any more information, feel free to ask. Try to do your best on that quiz!