Posted by **lesly** on Thursday, December 2, 2010 at 7:24pm.

use properties of parallel lines to explain which angles in a parallelogram must be congruent???

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March 23, 2017
Posted by **lesly** on Thursday, December 2, 2010 at 7:24pm.

use properties of parallel lines to explain which angles in a parallelogram must be congruent???

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