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GeoGebra
GeoGebra Classroom
GeoGebra
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De Morgan
Author:
Takashi Yamamiya
Topic:
Geometry
,
Logic
GeoGebra
New Resources
Rotating Points (Optical Illusion)
Introduction
cylinder net slider
Bottema's Theorem
History of Maths
Discover Resources
RitchieLine
start, create a 135 degree angle
Theorem VIII
Warm-up-task
equilateral triangle inscribed in unit square
Discover Topics
Symmetry
Line Segment
Parallelogram
Dilation
Quadratic Equations