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Copy of The Double Hallway Illusion
Author:
Ethan
,
Steve Phelps
The double hallway picture illusion as seen in the video
https://www.facebook.com/video.php?v=671515182903222
GeoGebra
New Resources
רישום חופשי
Tube moving at distance of a curve.
Monge's Theorem
bewijs stelling van Pythagoras
Tube at distance of a 3D curve.
Discover Resources
center of rotation by pono
Pirates of the Pythagorean Answer
Can you fit the four pieces into the square? Why?
Discover Topics
Diagrams
Tangent Line or Tangent
Upper and Lower Sum or Riemann Sum
Perimeter
Frequency Distribution