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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!
Witch of Agnesi - A Classical Construction
Piano. Keyboard.
Angles and Intersecting Lines: Quick Investigation
Supplementary Angles
Discover Resources
Angle addition with measures
Lines
CCSS High School: Functions (Interpreting Functions)
Spherical Canvas
Guess the Circumcenter!
Discover Topics
Variance
Cube
Tangent Line or Tangent
Parallelogram
Bar Chart or Bar Graph