High Quality Content by WIKIPEDIA articles An antiparallelogram
(also called a contraparallelogram or crossed parallelogram) is a
quadrilateral in which, like a parallelogram, the pairs of
nonadjacent sides are congruent, but in which two opposite sides
intersect (unlike in a parallelogram) and are therefore not
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|Country of origin:
• Ronald Cohn
||279 x 210 x 6mm (L x W x T)
||Paperback - Trade
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