YU De-sheng, Shi Jing. On the Formula for Directed Area of Tri-linear Triangles and Its Applications[J]. Journal of nanchang hangkong university(Natural science edition), 2010, 24(3): 51-55.
Citation: YU De-sheng, Shi Jing. On the Formula for Directed Area of Tri-linear Triangles and Its Applications[J]. Journal of nanchang hangkong university(Natural science edition), 2010, 24(3): 51-55.
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On the Formula for Directed Area of Tri-linear Triangles and Its Applications

    Abstract
  • In this paper,a theorem of the determinants of three lines is obtained.The formula for directed area of tri-linear triangles is given and some applications of the formula are discussed through examples.
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