bn:00066608n
Noun Concept
Categories: archived copy as title, Types of quadrilaterals, Elementary shapes
EN
rectangle  oblong  Crossed-rectangle  crossed rectangle  equiangular quadrilateral
Definitions
Relations
Sources
EN
In Euclidean plane geometry, a rectangle is a quadrilateral with four right angles. Wikipedia
Quadrilateral with four right angles Wikidata
A plane figure with 4 sides and 4 right angles. OmegaWiki
A quadrilateral having opposing sides parallel and four right angles. Wiktionary
Quadrilateral. Wiktionary (translation)
WordNet 3.0 & Open English WordNet
Wikipedia
Wikidata
Wiktionary
OmegaWiki