Test corpuri rotunde

Test corpuri rotunde

8th Grade

10 Qs

quiz-placeholder

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Test corpuri rotunde

Test corpuri rotunde

Assessment

Quiz

Mathematics

8th Grade

Medium

Created by

MARIA BEER

Used 23+ times

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10 questions

Show all answers

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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