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Daniel Piker
Author:
Thijs
Topic:
Geometry
GeoGebra
Yugemaku tells
"The ellipse turns beautifully
". Later he says "
Like an ellipse ... It's really an arc
". So the ellipses of "
Daniel Piker
" are approximate ellipses and the circles don't exactly fit. I think...
New Resources
Ellipse, Hyperbola and Circle as Envelopes
"Compressed" Astroid as Envelope
Slope Field (1)
Viviani's Window
Introduction
Discover Resources
Triangle Medians
Regular Hexagon
D 是垂足的條件不可少
Demo 3
Polarizability
Discover Topics
Poisson Distribution
Matrices
Straight Lines
Linear Equations
Cosine