html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

var stage = acgraph.create('container');

​

var triangle = stage.triangleUp(100, 100, 100);

triangle.fill('#90CAF9');

​

var rectangle = stage.rect();

​

// Gets bounds.

var bounds = triangle.getBounds();

​

rectangle.setBounds(bounds);