namespace Algorithms; internal class Triangle { private Point sommet1; private Point sommet2; private Point sommet3; public Triangle(Point sommet1,Point sommet2,Point sommet3) { this.sommet1 = sommet1; this.sommet2 = sommet2; this.sommet3 = sommet3; } public static Triangle Equilateral(double longueur) { Point sommet1 = new Point(0,0); Point sommet2 = new Point(0, longueur); // H2 = A2 + B2 // B = sqrt (H2 - A2) double x = Math.Sqrt(longueur*longueur - longueur*longueur/4); Point sommet3 = new Point(x, longueur/2); return new Triangle(sommet1, sommet2, sommet3); } }