title: How to represent a door in Raphael / SVG
body: <p>I want to be able to represent a door as a triangle, but with the smaller side curved as per the image below.</p>
  
  <p>How can I do this with SVG / Raphael? I understand how to make a triangle but I am unsure what to do with the curved section.</p>
  
  <p><img src="https://i.stack.imgur.com/YxbOs.png" alt="enter image description here"></p>