Fibonacci Spiral

This sketch has two tools to spiral in and out in opposite directions. Both construct an arc, then a new point to be the center of the next arc, so that the radii of two consecutive arcs add to the third.
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John Golden —

 
Resource Type
Activity
Tags
fibonacci  spiral 
Target Group (Age)
11 – 14
Language
English (United States)
 
 
GeoGebra version
4.4
Views
1273
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License
CC-BY-SA, GeoGebra Terms of Use
 
 
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