## Golden Ratio

How well do you estimate golden ratio visually? Try the following tasks.

Drag to adjust the following segments a and b. Can you make the two specified ratios equal? Click the checkboxes to reveal the values when you think the best result is made.

Drag to adjust the following segments a and b. Can you make the two specified ratios equal? Click the checkboxes to reveal the values when you think the best result is made.

Will you do better in the following task focusing on dimensions of rectangle instead? Drag the yellow vertices to change the ratio. You may make use of the background image for identifying golden rectangles.

Here are two more versions for estimating golden rectangles. Which one provides better clues for your estimation? You can display an optional image of spiral enclosed in the rectangle.