
14.3 Aire disque
Authored by Jonathan Lepage
Mathematics
8th - 9th Grade
Used 51+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La surface grise est se nomme:
cercle
ovale
disque
sphère
rondelle
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle est la formule de l'aire d'un disque?
A = π ⋅ r2
A = π ⋅ d2
A = π ⋅ c2
A = 2 ⋅ π ⋅ r2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule l'aire de ce disque.
8 cm2
50,26 cm2
25,13 cm2
157,91 cm2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule l'aire d'un disque dont le diamètre est de 7,9 hm.
196,07 hm2
49,02 hm2
49,64 hm2
24,82 hm2
153,99 hm2
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Calcule l'aire d'un disque dont le diamètre mesure 22 cm.
380,13 cm²
190,07 cm²
95,03 cm²
34,56 cm²
1194,22 cm2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule l'aire d'un disque dont sa circonférence est de 78,54 cm.
5 cm2
39,27 cm2
490,87 cm2
12,5 cm2
78,54 cm2
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Si l'aire d'un disque est de 78,5398 cm2, quelle est la circonférence du cercle associé ?
5,0 cm
157,0 cm
25,0 cm
31,4 cm
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