Нужно реализовать наследование классом Squre методов класса Rectangle - C#

class  Square 
    {
        private int _xPos;
        private int _yPos;
        private int _height;
        private int _weight;
       private static int _angle=90;
        private double _side;
        private static string _className="Square";
        public Square (int x1, int y1, int x4, int y3)
        {
            _xPos=x1;
            _yPos=y1;
            _height=y3-y1;
            _weight=x4-x1;
            _side=Math.Sqrt(((_height*_height)+(_weight*_weight))/2);
        } 
        public double GetSquareSide() 
        {
            return _side;
        }
        public double GetPerimeter()
        {
            double perimeter = 4 * _side;
            return perimeter;
        }
        public double GetSquareHeight()
        {
            return _height;
        }
        public double GetSquareWeight()
        {
            return _weight;
        }
        
        public double GetXPos()
        {
            double xpos = _xPos;
            return xpos;
        }
        public double GetYPos()
        {
            double ypos = _yPos;
            return ypos;
        }
        public double GetSquare()
        {
            double square = (_height * _weight)/2;
            return square;
        }
        public double GetSquareAngle()
        {
            double angle=_angle;
            return angle; 
        }
 
        public void SetSquarePosition(int xPos, int yPos)
        {
            _xPos=xPos;
            _yPos=yPos;
        }
        public static string GetClassName()
        {
            return _className;
        }
        public void SetClassName(string classname)
        {
            _className=classname;
        }
    }

class Rectangle
    {
        public int _xPos;
        public int _yPos;
        public int _height;
        public int _weight;
        public static int _angle=90;
        public static string _className="Rectangle";
        public Rectangle (int x1, int y1, int x2, int y2)
        {
            _xPos=x1;
            _yPos=y1;
            _height=y2-y1;
            _weight=x2-x1;
        }
        public double GetHeight()
        {
            return _height;
        }
        public double GetWeight()
        {
            return _weight;
        }
        public double GetPerimeter()
        {
            double perimeter = (_height + _weight)*2;
            return perimeter;
        }
        public double GetXPos()
        {
            double xpos = _xPos;
            return xpos;
        }
        public double GetYPos()
        {
            double ypos = _yPos;
            return ypos;
        }
        public double GetSquare()
        {
            double square = _height * _weight;
            return square;
        }
        public double GetRectangleAngle()
        {
            double angle=_angle;
            return angle;
        }
        public void SetRectanglePosition(int xPos, int yPos)
        {
            _xPos=xPos;
            _yPos=yPos;
        }
        public static string GetClassName()
        {
            return _className;
        }
        public void SetClassName(string classname)
        {
            _className=classname;
        }
    }