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Fermat Principle and Refraction

Author:Lihi Goldsmith

New Resources

Folding door
Proving Triangles Similar by Dilation
bewijs stelling van Pythagoras
Untitled
Line Through Two Points and Slope

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Meyer Parabola C
Effective teaching resources and using GeoGebra in exams
Translations Shape 1
Example 2
Sam Loyd's Dissection Paradox

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Vectors
Reflection
Incircle or Inscribed Circle
Power Functions
Definite Integral

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