Which triangles in the diagram are congruent?

A. triangle 1 and triangle 2
B. triangle 1, triangle 2, and triangle 3
C. triangle 1 and triangle 3
D. triangle 1, triangle 3, and triangle 4​

Which triangles in the diagram are congruentA triangle 1 and triangle 2B triangle 1 triangle 2 and triangle 3C triangle 1 and triangle 3D triangle 1 triangle 3 class=