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Chapter 11 Rotational Symmetry of Icosahedron
Author:
Roger Gemberling
,
Anthony OR 柯志明
Drag the red points to investigate the rotational symmetry of the icosahedron.
GeoGebra
New Resources
Drag that Point!
Cross Product in 2D and 3D
Odd or Even
Isosceles Triangle: Quick Construction
Slope Field (1)
Discover Resources
Unit 7 Sketch
Slider Exercise 1
Transversal Angle Pairs Overview
Barre d'Outils 0 Bienvenue
Lyness' Periodic Sequence
Discover Topics
Bar Chart or Bar Graph
Ratios
Trigonometric Functions
General Quadrilateral
Geometric Distribution