#include <iostream>
#include <iomanip>
#include <cmath>

using namespace std;

int main()
{
    double x1, y1,
           x2, y2,
           x3, y3;

    cin >> x1 >> y1;
    cin >> x2 >> y2;
    cin >> x3 >> y3;

    double a = sqrt((x1-x2)*(x1-x2) + (y1-y2)*(y1-y2));
    double b = sqrt((x2-x3)*(x2-x3) + (y2-y3)*(y2-y3));
    double c = sqrt((x1-x3)*(x1-x3) + (y1-y3)*(y1-y3));

    double p = a + b + c;
    double p2 = p / 2.0;

    cout << fixed
         << setprecision(6)
         << p << " ";

    cout << fixed
         << setprecision(6)
         << sqrt(p2*(p2-a)*(p2-b)*(p2-c));
    return 0;
}