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.

We observe the change in the size of the $\alpha$-balls.

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Proving Triangles Congruent (2): One Step Transformations
Trophy
Constructing an Isosceles Triangle with Given Side + Activities
Trophy (version 2)

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Ellipses
Perpendicular Lines and Slope
Moebius Strip
ห้าเหลี่ยมด้านเท่า 21
(G8M7L03) Irrational Numbers: Creating prisms with unit cubes

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Root
Vectors 2D (Two-Dimensional)
Planes
Tangent Function
Addition