Answer:
It's a rhombus (I think)
Step-by-step explanation:
It tells you "If a parallelogram has 4 congruent sides, then it is a rhombus."
It's also telling you that "the parallelogram has 4 congruents sides."
That's telling me it is a rhombus.
(I have absolutely no idea what the Law of Detatchment is, but it looks like this is the answer to me.)
