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Quadrilaterals and tetrahedra
Authors: Mammana, Maria Flavia; Micale, Biagio; Pennisi, Mario
Source: International Journal of Mathematical Education, Volume 40, Number 6, January 2009 , pp. 817-828(12)
Publisher: Taylor and Francis Ltd
Abstract:
In this note we show the existence of a surprising analogy between quadrilaterals and tetrahedra, determining some properties that hold for both families of figures. This analogy suggests some new properties of quadrilaterals.Keywords: quadrilateral; tetrahedron; centroid; anticentre; Monge point
Document Type: Research article
DOI: http://dx.doi.org/10.1080/00207390902912860
Affiliations: 1: Department of Mathematics and Computer Science, University of Catania, Catania 95100, Italy
Publication date: 2009-01-01
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