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 and class=](https://us-static.z-dn.net/files/d9d/ed696e5a2450eda147fb4338fef62730.jpg)