By which rule are these triangles congruent?
A) AAS
B) ASA
C) SAS
D) SSS

Answer:
SSS
Step-by-step explanation:
It would be SSS.
XY is congruent to ZY.
XW is congruent to ZW.
YW is congruent to WY.
Hope this helps!
So let's check:
So as we can see all are sides make the triangle congruent so option D is correct ie SSS (side,side,side)