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GeoGebra
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GeoGebra
GeoGebra Classroom
GeoGebra
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Alpha-shape
Author:
ltgrau
We construct with GeoGebra an $\alpha$-shape in the plane for a set of points. We have implemented a new tool to draw circles from two points and the radius.
GeoGebra
We observe the change in the size of the $\alpha$-balls.
New Resources
Art and Rotational Symmetry
探究由平行線和截線所成的角
Shade a spheric triangle with "surface".
Roman Numerals Bingo
Exploring Simple Loci 探究簡單軌跡
Discover Resources
Slider Intro
physics
ความน่าจะเป็น 1
Reflect 3
Task 3.2.4 Trapezium in a Circle
Discover Topics
Hypothesis Testing
Statistical Characteristics
Ellipse
Frequency Distribution
Polygons