Corpurile rotunde

Corpurile rotunde

9th Grade

20 Qs

quiz-placeholder

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Corpurile rotunde

Corpurile rotunde

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Medium

Created by

Olga Bîrsanu

Used 10+ times

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20 questions

Show all answers

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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