Respuesta :

Answer:

AD

Step-by-step explanation:

Looking at triangles ABD and ACD, they appear to be congruent. This means they have corresponding or matching parts which are equal and form each triangle.

The segment AD is the longest segment of triangle ABD. It matches to the longest segment in ACD. This is the same segment AD since the triangles share a side between them.

Answer:

AD <--> AD

Step-by-step explanation:

Hello! Segment AD is corresponding to itself, as it is the longest segment in ABD; it would correspond to itself due to a triangle being erected between them.  Hope this helps!