Draw A Triangle

var triangle:Shape; 

drawTriangle(0, 10, 100, 0xFF0000);

function drawTriangle(x:Number, y:Number, height:Number, color:uint){
  triangle = new Shape; 
  triangle.graphics.beginFill(color);
  triangle.graphics.moveTo(height/2, y);
  triangle.graphics.lineTo(height, height+y);
  triangle.graphics.lineTo(x, height+y);
  triangle.graphics.lineTo(height/2, y);
  addChild(triangle);  
}