The Sunflower game

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

Minuterie simple avec javascript.
Pain au levain.
Correction du TP "Aire d'un quadrilatère"
Scan to show a conic related to d, F, e.
Chronomètre en secondes.

Discover Resources

Julio Le Parc Ball
Topology-symbols
Sans titre
Aire du disque
savoir déterminer forme exp 2

Discover Topics

Ratios
Trigonometry
Cone
Vectors 2D (Two-Dimensional)
Circumcircle or Circumscribed Circle