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Pythagoras Proof
Author:
Volker Schroeter
A purely geometric proof with Transformation Geometry, no Algebra required
GeoGebra
...but is makes a nice case for an Algebra exercise :-)
New Resources
Sunny Variations
A Happy Polar Leaf
JLA Portrait
Vectors and Components - Trig
Untitled
Discover Resources
Simmetria e traslazione
Trigonometrie_kosinusreël
Mr. Wain's Notes Book for Circular Functions
Functions: Inscribed Polygon
A line passing through the center of a rectangle divides the rectangle in 2 equal parts
Discover Topics
Cosine
Quadrilaterals
Upper and Lower Sum or Riemann Sum
Rotation
Cuboid