#include "Rectangle.h" #include Rectangle::Rectangle(struct Point f, struct Point s, struct Point t, struct Point fo) { init(f.x, f.y, s.x, s.y, t.x, t.y, fo.x, fo.y); } double Rectangle::calc_area() { return l2(x1, y1, x2, y2) * l2(x3, y3, x4, y4); } double Rectangle::calc_perimiter() { return l2(x1, y1, x2, y2) * 2 + l2(x3, y3, x4, y4) * 2; } void Rectangle::name() { std::cout << "Rectangle" << std::endl; }