Beiträge zur Algebra und Geometrie Contributions to Algebra and Geometry Vol. 49, No. 1, pp. 7196 (2008) 

Areas of certain polygons in connection with determinants of rectangular matricesMirko Radi\'cUniversity of Rijeka, Faculty of Philosophy, Department of Mathematics, 51000 Rijeka, Omladinska 14, CroatiaAbstract: This article can be considered as an appendix to the article [R]. Here we have some results concerning areas of certain polygons. \smallskip\noindent [R] Radic, M.: About a Determinant of Rectangular $2 \times n$ Matrix and its Geometric Interpretation. Beitr. Algebra Geom. {\bf 46}(1) (2005), 321349. Keywords: determinant of rectangular matrix, polygon, area of polygon Classification (MSC2000): 51E12, 51M044 Full text of the article:
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