public TamGiac(Diem A, Diem B) { Dau = A; Cuoi = B; }
public Line(Diem A, Diem B) { Dau = A; Cuoi = B; }
public TamGiac() { Dau = new Diem(0, 0); Cuoi = new Diem(0, 0); }
public Line() { Dau = new Diem(0, 0); Cuoi = new Diem(0, 0); }
public TamGiac(Diem A, Diem B) { Dau = A; Cuoi = B; }
public Line(Diem A, Diem B) { Dau = A; Cuoi = B; }
public TamGiac() { Dau = new Diem(0, 0); Cuoi = new Diem(0, 0); }
public Line() { Dau = new Diem(0, 0); Cuoi = new Diem(0, 0); }