Do same-side interior angles have to be on the same (in this case) horizontal line?

To specify, does it always have to be AB, or can it be AD. I’m doing a transversal project at the moment, and am very confused.

Do sameside interior angles have to be on the same in this case horizontal line To specify does it always have to be AB or can it be AD Im doing a transversal p class=

Respuesta :

I believe it can be AD, since B and D are equal to each other.