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Mathematics 7 Online
OpenStudy (anonymous):

Provide coordinates of a Parallelogram A'B'C'D' that is congruent to parallelogram ABCD. Why are they congruent ? (Picture Bellow)

OpenStudy (anonymous):

OpenStudy (anonymous):

for example, take all the y-coordinates of each vertex and subtract 1. the x coordinates stay the same... now, why is this new parallelogram congruent to the original?

OpenStudy (dumbcow):

they are congruent if they have equal side lengths and equal interior angles

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