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Proof Without Words
Author:
ANTAL aLICA
,
Steve Phelps
Drag the points in the sketch below. What do you notice? What does this prove? How does this prove it?
GeoGebra
New Resources
"Compressed" Astroid as Envelope
Teorema Japonês para quadriláteros inscritos em uma circunferência
Piano. Keyboard.
Introduction
Simplifying Radicals: Geometric Thin Slice
Discover Resources
scalise
Riemann Integrals, Limit Definition
Funicular by one point
Untitled
Quadrilateral(s)-Midpoints
Discover Topics
Orthocenter
Similar Triangles
Sine
Complex Numbers
Vectors 3D (Three-Dimensional)