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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.
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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
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Quelques étapes de la construction sur papier:
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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]
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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:
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Link & QR
[left][size=200][url=https://www.geogebra.org/m/ydbcq6z9]https://www.geogebra.org/m/ydbcq6z9[/url][/size][/left][br]
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