package geometria;

public abstract class Poligono extends EntitaGeometrica {
protected double lato(Punto a, Punto b) {
double temp = Math.sqrt((b.gety()-a.gety())*
              (b.gety()-a.gety())+(b.getx()-a.getx())*
              (b.getx()-a.getx()));
return temp; }

public abstract double perimetro();

public abstract double area();

public void stampa() { System.out.println("\nSono un poligono generico");
}
}