Drag Test: Example/Counterexample

1) Interact with the applet below. It provides an example of a shape that passes the drag test.

The square above can be moved and its sides can change length, but it remains a square. This square passes the "drag test" because it remains a square even if its vertices are dragged around.

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2) Interact with the applet below. It provides an example of a square that does NOT pass the drag test.

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3) Check for understanding: Interact with the applet, then respond to the question that follows.

Does the figure above pass the drag test or not?

Why or why not?