/*
* Ham khoi tao khong tham so
* Dinh A,B,C deu co toa do 0,0
*/
public TamGiac()
{
_a = new Diem(0, 0);
_b = new Diem(0, 0);
_c = new Diem(0, 0);
}
/*
* Ham khoi tao 3 tham so Diem
* Dinh A,B,C bang 3 tham so
*/
public TamGiac(Diem a, Diem b, Diem c)
{
_a = a;
_b = b;
_c = c;
}
/*
* Ham tinh khoang cach den 1 diem khac
* Ham tra ve gia tri khoang cach
*/
public double KhoangCach(Diem d)
{
double kc = Math.Sqrt((this._x - d._x) * (this._x - d._x) + (this._y - d._y) * (this._y - d._y));
return(kc);
}