lab1.cpp
#include "Point.hh"
#include <iostream>
#include <cmath> using namespace std; double computeArea(Point &a, Point &b, Point &c)
{
double x=a.distanceTo(b);
double y=b.distanceTo(c);
double z=c.distanceTo(a); double len=(x+y+z)/; double size=sqrt(len*(len-x)*(len-y)*(len-z)); return size;
}
int main()
{ Point p1;
Point p2(-,);
Point p3(,); cout<<computeArea(p1,p2,p3)<<endl; return ; }