public static void Main()
{
Console.WriteLine("Program that calculates the perimeter and the area of given polygon consisting of n floating-point coordinates in the 2D plane.");
Console.Write("Write n = ");
int n = int.Parse(Console.ReadLine());
List<Point> listOfPoints = new List<Point>
{
};
for (int i = 0; i < n; i++)
{
Console.Write("Write coordinates of point {0}: ", i + 1);
string line = Console.ReadLine();
string[] list = line.Split(' ');
double x = double.Parse(list[0]);
double y = double.Parse(list[1]);
Point p = new Point(x, y);
listOfPoints.Add(p);
}
Polygon polygon = new Polygon(listOfPoints);
double perimeter = polygon.Perimeter();
double area = polygon.Area();
Console.WriteLine("perimeter = {0:0.00}", perimeter);
Console.WriteLine("area = {0:0.00}", area);
}