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Proof Without Words
Author:
Steve Phelps
Drag the points. Drag the slider. What do you notice? What does this prove? How does it prove?
GeoGebra
New Resources
Rings of circles
bearing HK
Art and Rotational Symmetry
Periodic Functions
Monkey typing Shakespeare's complete works
Discover Resources
Banachscher Fixpunktsatz
start, create right isosceles triangle
Describing Parabolas
Untitled
Transformation Graph - Reciprocal & Derivative
Discover Topics
Equations
Surface
Correlation
Conic Sections
Secant Line or Secant