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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
Let's fly!
bewijs stelling van Pythagoras
Constructing the Copy of an Angle + Angles Activities
Proving Triangles Congruent (2): One Step Transformations
Trophy
Discover Resources
RegPolygon-1
סעיף א
Transformations of functions
Regular Octagon
差角證明
Discover Topics
Reflection
Percentages
Trigonometry
Algebra
Fractal Geometry