[color=#000000]Slide the slider slowly in the applet below. Be sure to repeat this process a few times, making sure to change the locations of the rectangle's [/color][color=#ff00ff]3 pink vertices[/color] [color=#000000]each time before re-sliding the slider. [/color]
[color=#9900ff]What properties, illustrated here, are unique [i]only [/i]to [b]Rectangles [/b]and do not apply to other [b]Parallelograms[/b]?[/color]