title: C# rectangle object
body: <p>I am new to C# and i have run into this problem, I am trying to create a Rectangle object in C# using this syntax</p>
  
  <pre><code>static void Main(string[] args)
      {
          Rectangle myRectangle = new Rectangle(20, 20, 250, 200);
      }
  </code></pre>
  
  <p>but it gives me the error</p>
  
  <pre><code>Severity    Code    Description Project File    Line    Suppression State
  Error   CS0246  The type or namespace name 'Rectangle' could not be found
  (are you missing a using directive or an assembly reference?)    
  ConsoleApplication15    
  </code></pre>