Which triangles in the diagram are congruent?

triangle 1 and triangle 2

triangle 1, triangle 2, and triangle 3

triangle 1 and triangle 3

triangle 1, triangle 3, and triangle 4​

Which triangles in the diagram are congruenttriangle 1 and triangle 2triangle 1 triangle 2 and triangle 3triangle 1 and triangle 3triangle 1 triangle 3 and tria class=