title: Drawing a rounded triangle in Blend
body: <p>I am looking to draw an equilateral triangle with rounded corners in Expression Blend, kind of like the radius of the rectangle behaves.</p>
  
  <p>I am thinking along the lines of drawing a circle/arc at each end-point and clipping, but this is cumbersome.</p>
  
  <p>Is there a shape that can do this or do you have any other ideas on how to do this?</p>
  
  <p>Thanks</p>