Making sure it uses Microsoft Code Convention

Figures/Rectangle.cs

@@ -4,21 +4,21 @@ namespace OOP.Figures
     {
         public Rectangle(double width, double height)
         {
-            this.height = height;
-            this.width = width;
+            Height = height;
+            Width = width;
         }
 
-        public double height { get; set; }
-        public double width { get; set; }
+        public double Height { get; set; }
+        public double Width { get; set; }
 
         public override double GetArea()
         {
-            return height * width;
+            return Height * Width;
         }
 
         public override double GetPerimeter()
         {
-            return (height * 2) + (width * 2);
+            return (Height * 2) + (Width * 2);
         }
     }
 }