
Test corpuri rotunde
Authored by MARIA BEER
Mathematics
8th Grade
Used 23+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un cilindru circular drept are secțiunea axială pătrat de latură 4 cm. Atunci Aria laterală este:
16π cm2
32π cm2
4πcm2
64πcm2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un con circular drept are R=4 cm și G=5cm. Atunci Volumul este:
48π cm3
16πcm3
20πcm3
200πcm3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un trunchi de con circular drept are secțiunea axială trapez isoscel cu înălțimea= 6 cm, R=4cm, r=2cm. Volumul este:
27πcm3
54πcm3
108πcm3
20πcm3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un sfert de cerc de rază 12 cm, se înfășoară și se obține un con circular drept. Raza conului este:
6 cm
9 cm
3 cm
4 cm
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sfera cu raza de 2 cm are aria de:
4π cm2
8π cm2
32πcm2
16πcm2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cilindrul circular drept cu raza de 4 cm si volumul de 48π cm3 are generatoarea de:
3 cm
12 cm
6 cm
1 cm
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Conul circular drept cu R=6 cm si G=10cm are aria secțiunii axiale de:
48 cm2
24 cm2
96 cm2
12 cm2
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