I have 4 points.. i can draw a polygon usign this code

var p = new Polygon();
p.Points.Add(new Point(0, 0));
p.Points.Add(new Point(70, 0));
p.Points.Add(new Point(90, 100));
p.Points.Add(new Point(0, 80));

How i can draw an 'ellipse' that will fit in this polygon, using Silverlight?

Question is still unanswared!!!