Homothétie
Authored by Rémi Ollivier
Mathematics
9th Grade
Used 29+ times
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10 questions
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1.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Une homothétie est :
Une transformation de figure
Un calcul
Une calculatrice
Une droite
2.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
De quelles informations a-t-on besoin pour l'homothétie ?
Un centre
Un rapport
Un cercle
Une calculatrice
Un axe
3.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Le rapport de l'homothétie peut-il être un nombre négatif ?
Oui
Non
4.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Comment appelle-t-on la figure d'arrivée (après la transformation) ?
Image
Photo
Finale
Symétrique
5.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Si le rapport est négatif que ce passe-t-il ?
L'image est de l'autre côté du centre
Le centre est plus proche
L'image est sur la figure de départ
On a une rotation
6.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Quelles figures sont une homothétie de centre G de la figure rouge avec un rapport négatif ?
Verte
Bleue
Grise
Violette
7.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Quel est le rapport de cette homothétie de centre C?
(figure de départ -> petite)
3
-3
10
-10
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