![](https://cdn.geogebra.org/resource/hgnbufdf/mVtCbAtFdvah1rlG/material-hgnbufdf.png)
Animación: Construir un triángulo equilátero con el compás
Otra versión más adecuada para pantallas pequeñas --> [url=https://www.geogebra.org/m/dzth6cbr]https://www.geogebra.org/m/dzth6cbr[/url]
Cette animation fait partie du livret : [url=https://www.geogebra.org/m/zxdwptza]https://www.geogebra.org/m/zxdwptza[/url] , recompilant une série d'animations autour des constructions géométriques.[br]
Exercice : Section d'un cube par un plan (3)
Construire la section du cube ABCDEFGH par le plan (IJK)
Square pursuit and symmetries.
![](https://cdn.geogebra.org/resource/hgnbufdf/mVtCbAtFdvah1rlG/material-hgnbufdf.png)
![](https://cdn.geogebra.org/resource/smeur2dy/mzlOLOCRIDxhc5aF/material-smeur2dy.png)
![](https://cdn.geogebra.org/resource/mstqtree/GNWDvFqNZrPDGIrO/material-mstqtree.png)
![](https://cdn.geogebra.org/resource/eddhtu4m/JCNObzTbcicoxMS0/material-eddhtu4m.png)
![](https://cdn.geogebra.org/resource/regnmfka/66NSYpnfYou2K3NA/material-regnmfka.png)
![](https://cdn.geogebra.org/resource/sjcry9xm/6nUCZQUQEZ4O8jjs/material-sjcry9xm.png)
Ejemplos con teselados de Truchet
[url=https://www.geogebra.org/m/nwfh9yhh]https://www.geogebra.org/m/nwfh9yhh[/url]
Pavage (ou frise) à partir d'une feuille au format A4
![](https://cdn.geogebra.org/resource/yvnxamqh/6cI43nr6ElIH7yw9/material-yvnxamqh.png)
Quelques étapes de la construction sur papier:
![](https://cdn.geogebra.org/resource/d5cjrhtg/tX8eKzBK81z8TJFW/material-d5cjrhtg.png)
Variante
Un échiquier ( pyggb beta test)
Script :
i[code]mport time[br][br][br][br]def chess(n):[br] for j in range(8):[br] for i in range(8):[br] if i%2==0:[br] col=[j%2,j%2,j%2][br] A=Point(i,j,is_visible=False)[br] B=Point(i+1,j,is_visible=False)[br] Polygon(A,B,4,color=col,opacity=1,line_thickness=0)[br] else:[br] col=[(j+1)%2,(j+1)%2,(j+1)%2][br] A=Point(i,j,is_visible=False)[br] B=Point(i+1,j,is_visible=False)[br] Polygon(A,B,4,color=col,opacity=1,line_thickness=0)[br] time.sleep(0.1)[br] [br][br][br]# pour n=8[br][br]chess(8)[br][/code]
![](https://cdn.geogebra.org/resource/fgxpwxve/9vpAwYiQw5ZDUWVa/material-fgxpwxve.png)
Pour tester et modifier le script :
Lien nº1 : [url=https://geogebra.org/python/index.html]https://geogebra.org/python/index.html[/url][br][br]Lien nº2: [url=https://geogebra.github.io/pyggb/]https://geogebra.github.io/pyggb[/url]/
Capture en gif de l'exécution du script:
![](https://cdn.geogebra.org/resource/hqb6uqs2/ffI8ZTFjzrQiqlZx/material-hqb6uqs2.png)
Link & QR
[left][size=200][url=https://www.geogebra.org/m/ydbcq6z9]https://www.geogebra.org/m/ydbcq6z9[/url][/size][/left][br]
![](https://cdn.geogebra.org/resource/qd7fdury/qPPhAjt3NeC3ji6v/material-qd7fdury.png)