Cercul si Poligoane regulate

Cercul si Poligoane regulate

7th Grade

20 Qs

quiz-placeholder

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Cercul si Poligoane regulate

Cercul si Poligoane regulate

Assessment

Quiz

Mathematics

7th Grade

Hard

Created by

Orzea Adriana

Used 26+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

Care din urmatoarele elemente nu sunt elemente ale cercului

Raza

Latura

Centrul cercului

Coarda

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Masura unghiului cu varful pe cerc si laturile coarde in cerc care subintind un arc de 60° este

30°

90°

120°

60°

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Un sfert de cerc are masura de

90°

360°

45°

180°

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Un cerc cu raza 9 cm are diametrul

45 mm

18 cm

81 cm

27 cm

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Unghiul cu varful la centrul cercului care subintinde un arc de 90° este un unghi

acutit

obtuz

nul

drept

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Aria discului cu diametrul 10 cm este

100π cm2

5π cm2

25π cm2

20π cm2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Aria triunghiului echlateral cu latura 6 cm este

9√3 cm2

36 cm2

3√3 cm2

(9√3)/4 cm2

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