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The Law of Refraction with Fermat's Principle
Author:
David Canham
Find the fastest path from Point C to Point D! The Velocity of Light in Medium 1 (top) is not the same as the velocity in Medium 2 (bottom)!
GeoGebra
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Triangle Flexer
Untitled
Average Distance
Angles of Intersecting Lines
Circles - Relative Positions
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Geogebra Presentation Glo #4
descendants
Stroke Engine
customizable_normal_distribution
fraction
Discover Topics
Random Variables
Circumcircle or Circumscribed Circle
Derivative
Piecewise Functions
Means