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V4 Proof Without Words
Author:
ablinstein
,
Steve Phelps
Drag the objects in the sketch below. What does this sketch prove? How does this sketch prove it?
GeoGebra
New Resources
Napoleon's Theorem
Angles and Intersecting Lines: Quick Investigation
Piano. Keyboard.
Combine shapes
Isosceles Triangle: Quick Construction
Discover Resources
Adding Vectors Graphically
Untitled
Pencil of ellipses
Hyperbola Eccentricity
Trigonometric Ratios in Similar Triangles
Discover Topics
Planes
Sine
Linear Programming or Linear Optimization
Pythagoras or Pythagorean Theorem
Binomial Distribution