Ask your own question, for FREE!
Mathematics 17 Online
OpenStudy (anonymous):

If sides AB and DC of a quadrilateral ABCD are parallel, which additional information would be sufficient to prove that quadrilateral ABCD is a parallelogram

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!