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Anti-parallelogram

From Encyclopedia of Mathematics
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A plane quadrangle in which each pair of opposite sides is equal and anti-parallel to the other two sides (cf. Anti-parallel straight lines).

How to Cite This Entry:
Anti-parallelogram. Encyclopedia of Mathematics. URL: http://www.encyclopediaofmath.org/index.php?title=Anti-parallelogram&oldid=32112
This article was adapted from an original article by A.B. Ivanov (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article