Ask your own question, for FREE!
History 18 Online
OpenStudy (anonymous):

A _____ is a point that helps to define an ellipse.

OpenStudy (anonymous):

Foci, I believe, but you might want to check in the math study group.

OpenStudy (anonymous):

It's the two foci. But this is history! :D

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!