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Tetrahedral Numbers 3D
Author:
John Golden
Topic:
Numbers
Using GGB 3D to make a pyramid of dots, and count them up!
GeoGebra
New Resources
van Aubel's Theorem
Slope of a Straight Line: Run and Rise
Stairs (Optical Illusion)
Cross Product in 2D and 3D
Spinning cube - Belt Trick
Discover Resources
Forum 2 44435 E Roots
Julie
Triangle_Montgomery
MT3-06-XT1 (Pythagorean Theorem and acute triangles)
Modul 2.1_Muhammad Taufik_SMAN 13 PLG
Discover Topics
Centroid or Barycenter
Straight Lines
Orthocenter
Rectangle
Polynomial Functions