Point averagePoint(Point points[], int length){
    double resultX;
    double resultY;
    double x;
    double y;
    for(int i=0; i <= length; i++){
        resultX+=points[i].getX;
        resultY+=points[i].getY;
    }
    x = resultX/length;
    y = resultY/length;

    Point middlePoint(x,y);
    return middlePoint;

}