Code Example 1 - FlasherDotOrg: AS3 Tutorials Part I (Drawing Triangles)

Your code should look like this:
var triangle1:Shape = new Shape(); triangle1.graphics.lineStyle(2, 0x000000); triangle1.graphics.beginFill(0xFF0000, 1); triangle1.graphics.moveTo(200, 100); triangle1.graphics.lineTo(200, 100); triangle1.graphics.lineTo(275, 225); triangle1.graphics.lineTo(125, 225); triangle1.graphics.endFill(); addChild(triangle1);