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Mathematics 18 Online
OpenStudy (gabby_taylor1224):

Parallelogram proof Help!

OpenStudy (gabby_taylor1224):

Given: The four angles of the kitchen cabinet are all 90°. Prove: This cabinet is a parallelogram. I need help doing the actual proof

OpenStudy (gabby_taylor1224):

@ab854 could you help me with this too?

OpenStudy (gabby_taylor1224):

@rhr12

OpenStudy (anonymous):

There are two pairs of parallel lines in this picture. Lines EH and LI are parallel to one another. Another pair of parallel lines are FK and GJ.

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