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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
Sine in Cartesian and Polar Coordinates
दुई-ओटा समुहको संयोजन (Union of two sets)
Hypocycloids
Cosine in Cartesian and Polar Coordinates
Involute of the Circle
Discover Resources
Parallel Lines & a Transversal
The square puzzle game (2)
Seth's Dynamic Textbook Design Project
เส้นสัมผัสจากจุดไปยังวงกลม
กราฟของสมการเชิงเส้นสองตัวแปร
Discover Topics
Indefinite Integral
Normal Distribution
Real Numbers
Curve Sketching
Trapezoid