th de Thalès
Quiz
•
Mathematics
•
3rd Grade
•
Hard
Sylvie Rousselle
Used 117+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A quoi sert le théorème de Thalès ?
A démontrer qu'un triangle est rectangle.
A savoir parler égyptien.
A calculer des longueurs dans un triangle.
A calculer des longueurs dans un triangle rectangle uniquement.
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Dans le triangle ci-dessous avec (DE) // (BC). Comment écrit-on les rapports due la propriété de Thalès?
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
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
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
On donne les rapports suivants (en cm). Calculer la longueur de AF.
AF = 5 cm
AF = 4,8 cm
AF = 7,5 cm
AF = 3,3 cm
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dans le triangle ci-dessous avec (DE) // (BC) et AD = 3 cm, AB = 5 cm, AE = 9 cm, quelle est la valeur de AC?
15 cm
10 cm
5,2 cm
11 cm
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dans le triangle ci-dessous avec (DE) // (BC) et AB = 5 cm ; AD = 3 cm et BC = 7 cm.
Calculer la longueur de DE
7 cm
4.2 cm
9 cm
12 cm
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La calculatrice nous donne 1,23456cm. Quel résultat doit-on écrire pour avoir un arrondi au mm?
1
1,2
1,23
1,234
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