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Krug - sve što znamo

Authored by Fatima Klicic

Mathematics

8th Grade

Used 54+ times

Krug - sve što znamo
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12 questions

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1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Prečnik kružnice ima dužinu 54mm. Koliki je poluprečnik te kružnice?

34mm

27mm

45mm

6mm

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Formula za obim kruga je:

r2πr^2\pi

rπαr\pi\alpha

2rπ2r\pi

rπα180°\frac{r\pi\alpha}{180\degree}

3.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Koliki je obim kruga poluprečnika 5 cm?

5π5\pi

25π25\pi

15π15\pi

10π10\pi

4.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Broj  π\pi  približno iznosi: 

3

3,14

6,28

2,1

5.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Formula za površinu kruga je:

2rπ2r\pi

r2πα360°\frac{r^2\pi\alpha}{360\degree}

rπα180°\frac{r\pi\alpha}{180\degree}

r2πr^2\pi

6.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Površina kruga poluprečnika 10 cm je:

10π10\pi

20π20\pi

100π100\pi

π\pi

7.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Kolika je površina kružnog prstena koji čine koncentrične kružnice poluprečnika R=2,5cm i r= 1 cm

P= 15π15\pi

P= 4,8π4,8\pi

P= 12,76π12,76\pi

P= 5,25π5,25\pi

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