Answer. so pretend someone created three triangles: triangle X, triangle Y, and triangle Z. If triangle Y is congruent to X and triangle Y is congruent to Z, which must also be true?
The triangles are equilateral.
The triangles are right triangles.
Triangles X and Z are congruent.
Triangles X, Y, and Z share one or more vertices.
Step-by-step explanation: ya