void BtCalcClick(object sender, EventArgs e)
{
a = new Diem(int.Parse(tbhdA.Text), int.Parse(tbtdA.Text));
b = new Diem(int.Parse(tbtdB.Text), int.Parse(tbtdB.Text));
c = new Diem(int.Parse(tbhdC.Text), int.Parse(tbtdC.Text));
tamgiac = new TamGiac(a, b, c);
tbCV.Text = TamGiac.Chuvi(a, b, c).ToString();
tbDT.Text = TamGiac.Dientich(a, b, c).ToString();
tamgiac.Draws(panel1.CreateGraphics(), new Pen(Color.Black, 3));
}
static void Main(string[] args)
{
int n;
Console.WriteLine("Nhap n tam giac: ");
n = int.Parse(Console.ReadLine());
TamGiac[] tamGiacs = new TamGiac[n];
for (int i = 0; i < tamGiacs.Length; i++)
{
Console.WriteLine("Nhap tam giac {0}", i);
tamGiacs[i] = new TamGiac();
tamGiacs[i].Nhap();
}
double tongChuVi = 0;
double tongDienTich = 0;
double AB = 0;
double BC = 0;
double AC = 0;
for (int i = 0; i < tamGiacs.Length; i++)
{
AB = tamGiacs[i].DiemA.KhoangCach(tamGiacs[i].DiemB);
AC = tamGiacs[i].DiemA.KhoangCach(tamGiacs[i].DiemC);
BC = tamGiacs[i].DiemB.KhoangCach(tamGiacs[i].DiemC);
if (AB * AB < AC * AC + BC * BC && AC * AC < AB * AB + BC * BC && BC < AB * AB + AC * AC)
{
tongChuVi += tamGiacs[i].ChuVi();
tongDienTich += tamGiacs[i].DienTich();
}
else
{
Console.WriteLine("tam giac " + i + "khong phai tam giac!!!");
}
}
Console.WriteLine("-Tong chu vi: " + tongChuVi);
Console.WriteLine("-Tong dien tich: " + tongDienTich);
}