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Triangle Paradox
Author:
Edward
,
Michael Borcherds
Topic:
Area
The two shapes have the same area. So where's the black square come from then?
GeoGebra
New Resources
Rotating Points (Optical Illusion)
Limaçon / Cardioid as a Locus - A Classical Construction
Cross Product in 2D and 3D
cylinder net slider
"Compressed" Astroid as Envelope
Discover Resources
Transformations with Coordinates
Sliders
Tangram
Reflection and Rotation v2
A Line Perpendicular to a Plane
Discover Topics
Natural Numbers
Frequency Distribution
Expected Value
Complex Numbers
Pythagoras or Pythagorean Theorem