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OpenStudy (anonymous):
how can you tell if a quadrilateral is a parallelogram
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OpenStudy (anonymous):
two pairs of parallel sides that are equal in length to each other even a square or a rectangle can be a parallelogram
OpenStudy (jdoe0001):
\(\begin{array}{cllll} quadri&lateral\\ \uparrow \\ 4&sides\\ \quad \\ parallel&ogram\\ \uparrow \\ ? \end{array}\)
OpenStudy (anonymous):
thanks!
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