public static double TinhChuViTamGiac(TAMGIAC tg) { double bc, ac, ab; bc = XL_DIEM.TinhKhoangCach(tg.B, tg.C); ac = XL_DIEM.TinhKhoangCach(tg.A, tg.C); ab = XL_DIEM.TinhKhoangCach(tg.A, tg.B); return(bc + ac + ab); }
public static double TinhChuViDaGiac(DAGIAC dg) { double ChuVi = 0; int N = dg.dsDIEM.Length; for (int i = 0; i < N - 1; i++) { ChuVi = ChuVi + XL_DIEM.TinhKhoangCach(dg.dsDIEM[i], dg.dsDIEM[i + 1]); } ChuVi = ChuVi + XL_DIEM.TinhKhoangCach(dg.dsDIEM[0], dg.dsDIEM[N - 1]); return(ChuVi); }
static void Main(string[] args) { Console.WriteLine("Hello World!"); Console.WriteLine("Nhap 2 diem a, b"); DIEM a, b; a = XL_DIEM.NhapDiem(); b = XL_DIEM.NhapDiem(); Console.WriteLine("Khoang cach 2 diem la: "); double kq = XL_DIEM.TinhKhoangCach(a, b); string Chuoi = "Ket qua la " + kq; Console.WriteLine(Chuoi); Console.WriteLine("Nhap 3 diem A, B, C cua tam giac"); TAMGIAC tg; tg = XL_TAMGIAC.NhapTamGiac(); double kq_tg = XL_TAMGIAC.TinhChuViTamGiac(tg); string Chuoi_tg = "Ket qua la " + kq_tg; Console.WriteLine(Chuoi_tg); Console.WriteLine("Nhap cac diem cua da giac"); DAGIAC dg; dg = XL_DAGIAC.NhapDaGiac(); Console.Write("Chu vi da giac la: "); double kq_dg = XL_DAGIAC.TinhChuViDaGiac(dg); Console.WriteLine(kq_dg); }