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Authored by Nicolae Popa
Mathematics
8th Grade
Used 11+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Aflati aria laterala a unui cilindru circular drept cu raza bazei de 5 cm şi genearatoarea de 8 cm
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Generatoarea unui con circular drept face cu raza bazei un unghi de 300 . Dacă raza este de 6 cm atunci aria secțiunii axiale a conului este de
12√3 cm2
24√3 cm2
6√3 cm2
18√3 cm2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Aria totală a unui cilindru circular drept cu R = 5 cm şi G = 4 cm este egală cu :
48π cm2
100π cm2
80π cm2
90π cm2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Aria totală a unui con circular drept cu
R = 3 cm şi G = 5 cm este egală cu :
48π cm2
32π cm2
24π cm2
18π cm2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Aria totală a unui trunchi de con circular drept cu R = 5 cm, r = 2 şi G = 5 cm este egală cu :
48π cm2
64π cm2
72π cm2
80π cm2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Volumul unui cilindru circular drept cu
R = 5 cm şi G = 4 cm este egal cu :
48π cm2
120π cm2
80π cm2
100π cm2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Volumul unui con circular drept cu
R = 3 cm şi h = 4 cm este egal cu :
9π cm3
10π cm3
12π cm3
16π cm3
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