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Pythagorean Theorem via Shear Transformation
Author:
Brad Ballinger
Proof by shear transformation:
GeoGebra
New Resources
Ball Structure
Slopes of Parallel and Perpendicular Lines - Discovery & Assessment: Quick Demo
Inner and Outer Pentagon Points and Conics
Similar Figures: Quick Intro
Exploring Dilations
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Jui's traingle
Test2Geogebra
SHED
Midsegment Theorem
Writing Ordered Triples
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Equations
Pyramid
Straight Lines
Prism
Reflection