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 congruent? triangle 1 and triangle 2 triangle 1, triangle 2, and triangle 3 triangle 1 and triangle 3 triangle 1, triangle 3, class=