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Corrected that the theorem was indeed published 1731, but not by Varigon himself. |
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{{for|the theorem about the moment of a force|Varignon's theorem (mechanics)}}
[[Image:Varignon parallelogram convex.svg|thumb|300px|Area(''EFGH'') = (1/2)Area(''ABCD'')]]
'''Varignon's theorem''' is a statement in [[Euclidean geometry]], that deals with the construction of a particular [[parallelogram]], the '''Varignon parallelogram''', from an arbitrary [[quadrilateral]] (quadrangle). It is named after [[Pierre Varignon]],
==Theorem==
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