
Corpurile rotunde
Authored by Olga Bîrsanu
Mathematics
9th Grade
Used 10+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Aflați aria laterală a unui cilindru circular drept cu raza bazei de 5 cm și generatoarea de 8 cm
40π cm2
80π cm2
50π cm2
120π cm2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O sferă cu aria de 484 π cm2 , are raza de
9 cm
10 cm
11 cm
12 cm
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
Sfera cu raza de 2 cm are aria de:
4π cm2
8π cm2
32π cm2
16π cm2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un con circular drept are înălțimea de 3 cm si diametrul bazei de 8cm. Atunci generatoarea conului este:
3 cm
4 cm
5 cm
6 cm
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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