Answer
SAS for $\triangle$RST and $\triangle$RSV
ASA for $\triangle$XWM and $\triangle$MZY
Work Step by Step
Triangles RST and RSV have a congruent angle surrounded by two congruent sides, so SAS proves they are congruent. Triangles XWM and MZY have a congruent side surrounded by two congruent angles, so ASA proves they are congruent.