answersLogoWhite

0

Theorem A:

A quadrilateral is a parallelogram if its opposite sides are congruent.

Theorem B:

A quadrilateral is a parallelogram if a pair of opposite sides is parallel and congruent.

Theorem C:

A quadrilateral is a parallelogram if its diagonals bisect each other.

Theorem D:

A quadrilateral is a parallelogram if both pairs of opposite angles are congruent.

User Avatar

Wiki User

14y ago

Still curious? Ask our experts.

Chat with our AI personalities

MaxineMaxine
I respect you enough to keep it real.
Chat with Maxine
RossRoss
Every question is just a happy little opportunity.
Chat with Ross
EzraEzra
Faith is not about having all the answers, but learning to ask the right questions.
Chat with Ezra

Add your answer:

Earn +20 pts
Q: Conditions which guarantee that a quadrilateral is a parallelogram?
Write your answer...
Submit
Still have questions?
magnify glass
imp