
Thalès
Authored by Baptiste Vanwyngene
Mathematics
3rd - 9th Grade
Used 54+ times

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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Les triangles OMN et ORS sont semblables. Quelle égalité peut-on écrire?
2.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
On donne les rapports suivants (en cm). Calculer la longueur de OP.
OP = 5 cm
OP = 10 cm
OP = 8,8 cm
OP = 2 cm
3.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Dans le triangle ci-dessous avec (DE) // (BC). Comment écrit-on les rapports de la propriété de Thalès?
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
8
2
2,25
162
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
A quoi sert le théorème de Thalès?
Calculer des longueurs
Démontrer qu'un triangle est rectangle
Démontrer que deux droites sont parallèles
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Les triangles ADE et ABC sont semblables. Sachant que la longueur AD vaut 1.5 cm, combien mesure le côté [DB]?
4.5 cm
5 cm
3 cm
On ne peut pas savoir
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Le personnage sur cette image est Thalès. Qu'a-t-il pu apprendre en utilisant des triangles semblables?
La taille de son ombre
Sa taille
La largeur de la pyramide
La hauteur de la pyramide
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