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Mathematics 21 Online
OpenStudy (kylav210):

Prove that the opposite angles of a parallelogram are congruent.

OpenStudy (kylav210):

OpenStudy (anonymous):

Here is one way you can do it. Please let me know if it makes sense. I basically used the tool of a transversal cutting through two parallel lines and creating equal angles.

OpenStudy (kylav210):

Yes, it makes sense! Thank you !(:

OpenStudy (anonymous):

You're welcome :-)

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