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11-Circle Theorems
Author:
Jen Rosie
Circle Theorems!
Can you describe what you see? What is changing and what is staying the same? Try moving some of the points yourself. There are (at least) FOUR 'circle theorems' in these diagrams - can you state them?
New Resources
GeoGebra Notes
Geometric linkage
Torus
Marion's Theorem
Function Machine
Discover Resources
Start, parallel to line through point
Onde armoniche
convex_lens
Common chord
Discover Topics
Real Numbers
Incircle or Inscribed Circle
Parametric Curves
Exponent
Scalene Triangles