Okrąg i koło

Okrąg i koło

8th Grade

21 Qs

quiz-placeholder

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Okrąg i koło

Okrąg i koło

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

Created by

Emilia Szymanek

Used 6+ times

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21 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Długość okręgu o promieniu 1 12\frac{1}{2}   wynosi:

 32π\frac{3}{2}\pi  

3 π\pi  

 94π\frac{9}{4}\pi  

 34π\frac{3}{4}\pi  

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Promień koła o obwodzie 25 π\pi   wynosi:

12,5

12,5 π\pi  

5

5 π\pi  

3.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

Ile pełnych obrotów wykona koło o średnicy 60 cm na drodze 1 km? Przyjmij  π3,14\pi\approx3,14  

166

530

531

1666

4.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Pole koła o promieniu 1,5 cm wynosi:

2,25  cm2cm^2  

 cm2cm^2  

2,25  π cm2\pi\ cm^2  

 π cm2\pi\ cm^2  

5.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Koło o polu 81 π\pi  cm2cm^2    ma średnicę o długości:

9 cm

18 cm

40,5 cm

81 cm

6.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Obwód koła o polu równym  400π cm2400\pi\ cm^2   wynosi:

20 cm

20  π\pi  cm

40 cm

40  π\pi  cm

7.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Pole koła o obwodzie  18π mm18\pi\ mm   wynosi:

 324π mm2324\pi\ mm^2  

 9π mm29\pi\ mm^2  

 81π mm281\pi\ mm^2  

 18π mm218\pi\ mm^2  

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