public Triangle(Diem A, Diem B, Diem C)
{
begin = A;
end = B;
fe = C;
}
public Line(Diem A, Diem B)
{
begin = A;
end = B;
}
public Triangle()
{
begin = new Diem(0, 0);
end = new Diem(0, 0);
fe = new Diem(0, 0);
}
public Line()
{
begin = new Diem(0, 0);
end = new Diem(0, 0);
}
