#ifndef TRIANGLE_HPP#define TRIANGLE_HPP#include"point.hpp"class Triangle {public:Triangle() :p1(),p2(),p3() {}Triangle(Point p1, Point p2, Point p3);voidset(Point p1, Point p2, Point p3);voidset_point(unsigned point, Point p);doubleperimeter();protected:private:
Point p1, p2, p3;};#endif