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Penrose impossible triangle animation
Author:
Vincent Pantaloni
Topic:
Triangles
Thumbnail GIF
GIF
GeoGebra applet
GeoGebra
New Resources
Multiplying 4-Digit by 4-Digit Numbers Using an Area Model
Vectors and Components
Noisy loop
Here comes the sun!
Spherical dodecahedron/icosahedron
Discover Resources
polar_area
Constructing Eulers line
Bounce Lab
test_v4_forminput
Calc 2: Lab 4- Arc Length
GM3-05-P3-Q4 Plot the Reflection for Any Horizontal or Vertical Line
Exploring Rotations with Geogebra
Discover Topics
Root
Limits
Step Functions
Reflection
Trigonometry