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Rotating Grids
Author:
John Golden
Topic:
Rotation
Inspired by a p5art gif:
http://p5art.tumblr.com/post/135878743102/moir%C3%A9-patterns-squares-1-rotating-a-copy-of-the
The Moire patterns are cool, as well as just the pseudo-tilings you can make.
GeoGebra
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Variation Theory Parallelogram Proofs
Poorly Drawn Parallelograms
Parallelograms: Quick Investigation
Icosahedron
Icosahedron1
Discover Resources
Test
Angle pair definitions
Aaid 23 - Triangles, Angles, Paralellogram Task
Use transformations to show the rectangle is golden.
Chapter 2 Proofs - Review
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Function Graph
Solids or 3D Shapes
Hyperbola
Geometric Transformations
Tree Diagrams