Ask your own question, for FREE!
Mathematics 13 Online
OpenStudy (tester97):

how do you know if a quadrilateral is a parallelogram?

OpenStudy (anonymous):

It has to have a pair of Parallel sides || <-- Or in other words they never cross.

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!