Scale Factor on a Quadrilateral

Quadrilateral A'B'C'D' is created by applying a scale factor to the original quadrilateral ABCD. [br]Use the slider to see the effects of different scale factors.[br]You may move points A, B and C in the original quadrilateral.
Scale Factor on a Quadrilateral
What relationship exists between the original, the scale factor and the image?

Information: Scale Factor on a Quadrilateral