The Golden Rectangle is a plot created by starting with a rectangle, chopping off successive squares, and drawing quarter circles with a radius equal to the side of the square that was cut.
The center of the spiral is obtained by intersecting a diagonal of the largest rectangle with a diagonal of the second-largest rectangle.
Using this virtual manipulative you may:
Click the start (right arrow) button in the top right corner of the virtual manipulative.
Pause the plotter
Click the Pause button.
Clear the plot
Click the stop button.
Turn the outer rectangle
Hide the inner squares
You may choose to display the squares used to generate the rectangle or not, using thecheck box.
Display the spiral center
Check (turn on) thecheck box.
Change the size of the outer rectangle
Click and drag the slider to the right of the plot.