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Mathematics 9 Online
OpenStudy (anonymous):

Prove that opposite sides of a parallelogram are congruent. Be sure to create and name the appropriate geometric figures.

OpenStudy (phi):

I would draw a figure showing the parallel lines that make the figure draw in a diagonal the diagonal is a "transversal" across parallel lines so its opposite interior angles are equal. you can show you get two triangles the are congruent by angle- side (the diagonal) -side the by Corresponding parts of congruent triangles, prove the opposite sides of the parallel gram are equal

OpenStudy (anonymous):

ahhhh ok thanks

OpenStudy (phi):

**you can show you get two triangles the are congruent by angle- side (the diagonal) -angle ASA

OpenStudy (anonymous):

ok thanks

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