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Petlach Geometry
Author:
Al Petlach
Topic:
Geometry
GeoGebra
New Resources
Flip A Bunch of Coins
bewijs stelling van Pythagoras
Golden Rectangles and Golden Spirals
A note on Erdős’s mysterious remark
Morse code visualizer / decoder
Discover Resources
rectangle circonscrit à un triangle
Transformations of a Sine Function
Společná akce DUZRC a VYZRC!
Week 4: Inscribed Angles
More Constructions
Discover Topics
Numbers
Piecewise Functions
Tangent Line or Tangent
Root
Conditional Probability