Question

Given:
ABCD is

Prove:
AB = DC, AD = BC

Which of the following statements completes the proof in line 2?

Draw diagonal DB
Draw diagonal AC
Draw medians EF and GH

Answer 1

Diagonal DB is the answer because that is the only diagonal that will make triangles DAB and BCD.

Hope this helps :)

Answer 2

It's diagonal DB. I just did this answer and got it right. (i realize that someone already answered this but I'm trying to get points and plus seeing two of the same answers is reassuring to some people)