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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
Tangent Vector (2)
Untitled
Graphs of Rational Expressions
Parallelogram Linkage
z`]]
Discover Resources
Theorem of Thales
Video 1 Aniyah Dortch
Paucellier vs. Hart's A-frame
Cuisenaire Rods v2
Images. n=12: Icosahedron -Platonic Solid and n=20. Their Dual Polyhedrons
Discover Topics
Bar Chart or Bar Graph
Cone
Circumcircle or Circumscribed Circle
Numbers
Geometry