Calcul de l'aire d'un cercle
Quiz
•
Professional Development
•
9th Grade
•
Medium

Helmi ADAM
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Quelle est la formule pour calculer l'aire d'un cercle?
2r
πr²
r²
2πr
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Si le rayon d'un cercle est de 5 cm, quelle est son aire?
20π cm²
10π cm²
25π cm²
30π cm²
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Un cercle a un diamètre de 12 cm. Quelle est son aire?
24π cm²
60π cm²
36π cm²
48π cm²
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Comment peut-on exprimer la formule de l'aire d'un cercle en fonction du rayon?
A = 2 * π * r
A = π * r^2
A = r^2
A = 2 * r
5.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Quelle est l'unité de mesure généralement utilisée pour l'aire d'un cercle?
km²
cm²
ft²
m²
6.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Si le rayon d'un cercle est de 8 m, quelle est son aire en mètres carrés?
16π m²
40π m²
64π m²
32π m²
7.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Quelle est la relation entre le diamètre et le rayon d'un cercle?
Le diamètre est le double du rayon d'un cercle.
Le diamètre est le triple du rayon d'un cercle.
Le diamètre est égal au rayon d'un cercle.
Le diamètre est la moitié du rayon d'un cercle.
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