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Nautile spiral
Auteur :
Christian Mercat
Thème :
Angles
,
Courbes Paramétriques
Here is a
very nice picture
of a nautile. A logaritmic spiral does fit its growth to a very nice precision (in blue), but it is NOT a golden spiral (in red).
GeoGebra
Nouvelles ressources
Solving 2x2 and 3x3 Systems Using Cramer's Rule
Equilateral Triangle Cross Sections
Tanzanian Ngoma - Model 1
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Tanzanian Ngoma - Model 3
Découvrir des ressources
פרבולה
Planetary Orbit Model
Investigating Dialations
try2_4.11.2016
מרובע חסום במעגל
Découvrir des Thèmes
Droites
Test d'Hypothèse
Addition
Pyramide
Carré