Question

What is a transversal in a parallelogram

Answer 1

transversal is made intercept point at parallelogram

Answer 2

Each side in a parallelogram is a transversal. You know that opposite sides in a parallelogram are parallel, right?
Now if the opposite sides are parallel, then the line connecting then would act as the transversal. 
I made the diagram and wrote the explanation below.( ZOOM OUT IN YOUR BROWSER TO SEE THE IMAGE :)
Hope it helps!
HARRY POTTER FOREVER!