	The Language of Mathematics - Dictionary and Research Guide		Provided by

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parallelogram

A parallelogram is a four-sided plane figure that has two sets of opposite parallel sides. Every parallelogram is a polygon, and more specifically a quadrilateral.

Wikipedia and Wikis

Parallelogram - Wikipedia
http://en.wikipedia.org/wiki/Parallelogram

Other

Parallelogram Quiz
http://www.kwiznet.com/p/takeQuiz.php?ChapterID=26 ...
Equilateral Triangles On Sides of a Parallelogram
http://www.cut-the-knot.org/Curriculum/Geometry/Eq ...
Varignon and Wittenbauer Parallelograms
http://agutie.homestead.com/files/VarigWitten.htm
Mathworld: Parallelogram
http://mathworld.wolfram.com/Parallelogram.html
Van Aubel's theorem
http://agutie.homestead.com/files/vanaubel.html
Area of Parallelogram
http://www.cut-the-knot.org/Curriculum/Geometry/Ar ...

Keywords and Synonyms

parallelogram, Parallelograms

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