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GeoGebra
GeoGebra Classroom
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The Sunflower game
Author:
Vincent Pantaloni
GeoGebra
Rules
Find the best ratio b/a such that the sunflower seeds meet their regular arrangement shown in the background. This ratio b/a is related to the angle formed between one seed and the next.
New Resources
Liens
Activité triangles semblables
Coffre
Curve through 2 points with tangents at these points
Salsa premiers pas de base en ligne.
Discover Resources
Trouver la bonne droite !
Thales
base3
Paramétres de la quadratique
y = 0,5x² + x - 1,5