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Proof Without Words
Author:
james lynch
,
Steve Phelps
,
Beatrice
Drag the points in the sketch below. What do you notice? What does this prove? How does this prove it?
GeoGebra
New Resources
Ellipse, Hyperbola and Circle as Envelopes
Cross Product in 2D and 3D
Linear Cross Section Exercise
Viviani's Window
"Compressed" Astroid as Envelope
Discover Resources
Solid with Circular Base & Cross Section Square
Inventory Model_Non-constant demand rate
Scatter Plot Activity
Taylor Polynomials
How to Find the Slope and the Equation of the Tangent Line
Discover Topics
Function Graph
Conditional Probability
Exponential Functions
Scalene Triangles
Ellipse