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Ratio (Golden Rectangle)
Author:
Lew W. S.
,
Arthur Lee
Topic:
Rectangle
golden rectangle with or without spiral
GeoGebra
Try to estimate ratios of sides of the golden rectangle.
New Resources
Droste effect
Rings of circles
Flip Flop
Shade a spheric triangle with "surface".
Exploring Simple Loci 探究簡單軌跡
Discover Resources
Cross product with spreadsheet and CAS views.
Axes grid
Конструкција корена 2
math test
Greatest Angle of Elevation
Discover Topics
Interest Calculation
Continuity
Circumcircle or Circumscribed Circle
Equilateral Triangles
Subtraction