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astroidal surface
Author:
Thierry Dana-Picard
Topic:
Geometry
,
Surface
GeoGebra
Look at the intersection with a plane parallel to a coordinate plane: it's an astroid.
New Resources
Angles and Intersecting Lines: Quick Investigation
Introduction
Ellipse as Envelope - Correspondence Method
Construct a Square
Slope of a Straight Line: Run and Rise
Discover Resources
Ellipse/Hyperbola
Line in 3d
Hyperbola by Locus of Points
Graphs of factorised quartics
變換小測
Discover Topics
Median Line
Geometric Distribution
Parabola
Arithmetic
Combinatorics