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.

Nieuw didactisch materiaal

Chronomètre en secondes entières
Minuterie simple avec javascript.
Théorème de Toit
Scan to show a conic related to d, F, e.
Traceur+tangentes+ajustement

Ontdek materiaal

ES8 Math 11H
EX 79 P 156
EX 73 PAGE 214
ex Angles inscrits et angles au centre 2
Fonction dérivée complet

Ontdek onderwerpen

Verhoudingen
Vierhoeken
Symmetrie
Rechth. prisma
Exponent