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Using a Cheshire to Collimate a Newtonian
Author:
John Reed
Topic:
Geometry
GeoGebra
New Resources
Cross Product in 2D and 3D
Supplementary Angles
Slope of a Straight Line: Run and Rise
Angles and Intersecting Lines: Quick Investigation
Witch of Agnesi - A Classical Construction
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Practice Nov 20
Dilations
rigid and non rigid triangles
Choices
IS_vs_T
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Means
Geometric Transformations
Diagrams
Solids or 3D Shapes
Orthocenter