using System; using System.ComponentModel.DataAnnotations; using System.Drawing; namespace Shapes { public class Triangle : Shape { public override Color Fill { get; set; } public override Color Color { get; set; } public override double Width { get; } public override double Height { get; } public Triangle(Point point1, Point point2, Point point3) { } public Triangle(double x1, double y1, double x2, double y2, double x3, double y3) { } public override double ComputeArea() { throw new NotImplementedException(); } public override void Scale(double scaleFactor) { throw new NotImplementedException(); } } }