Volume of 3Dsolid( Pappus theorem)

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3D net of the cube and dice

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Do not work harder, work better.

3D net of tetraedre with Geogebra4.2

Beginning of a serie of 3D net

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Click on mouse and move for rotation, open or close

with sliders

The 3D sphere triangulated with Geogebra4.2

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Moire effects by rotation

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Random patterns

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