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A rectangular region with horizontal and vertical sides and one corner at the origin is an example of a two-dimensional object. We can determine any such region by giving the coordinates (c,d) of the point farthest from the origin.
Use the values in the "Controls" window to change the coordinates of the
upper right-hand corner. The
When you are done with the demonstration, choose the "Exit Demo" menu item from the "Windows" menu of the "Controls" window. The applet will not exit until you do so.