**TI82** TxtView file generated by CalcText - KouriÑ ÂBaryÂÀ˙Formules barycentresBarycentre: 2 points pondérés: x+y><0 xGA+yGB=O G=bar{(A,x)(B,y)} xMA+yMB=(x+y)MG AG=y/(x+y)AB Xg=(xXa+yXb)/(x+y) Yg=(xYa+yYb)/(x+y) 3 points pondérés: x+y+z>