Ask your own question, for FREE!
Mathematics 15 Online
OpenStudy (anonymous):

Two coplanar lines are parallel when a third line intersects these two lines at 90 degrees. Can it also be said that two planes are parallel if a third plane intersects these two planes at 90 degrees?

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!