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GeoGebra
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Pythagorean Theorem via Shear Transformation
Author:
Brad Ballinger
Proof by shear transformation:
GeoGebra
New Resources
Introduction
Isosceles Triangle: Quick Construction
Parallel or Not? (V2)
Cross Product in 2D and 3D
Slope of a Straight Line: Run and Rise
Discover Resources
Transversals and Parallel Lines - Pribik
Barrier and penalty function example
Bevis for egenskab ved hældningen a
st. line
Video: schriftliche Addition
Discover Topics
Perimeter
Linear Programming or Linear Optimization
Linear Equations
Incircle or Inscribed Circle
Symmetry