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Golden Ratio - Flowers
Author:
Chip Rollinson
Ben Sparks made the excellent Numberphile video (above) with a similar applet to the one below. I made a new version that lets the user change more parameters than Ben's applet does.
GeoGebra
New Resources
Introduction
Slope of a Straight Line: Run and Rise
Napoleon's Theorem
Stairs (Optical Illusion)
Ellipse as Envelope - Correspondence Method
Discover Resources
Yaneth Lopez Triangulo 2
Sierpinski Hexagon
Let's tessellate
KUBUS ABCD.EFGH
Transformations Activity
Discover Topics
Intersection
Fractions
Quadratic Equations
Circumcircle or Circumscribed Circle
Centroid or Barycenter