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valjak

Authored by Ksenija Varga

Mathematics

8th Grade

Used 7+ times

valjak
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10 questions

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1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Koji predmeti imaju oblik valjka?

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2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Valjak je

uglato geometrijsko tijelo

oblo geometrijsko tijelo

obli geometrijski lik

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Baza valjka je

kvadrat

pravokutnik

krug

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mrežu valjka čine

dva pravokutnika i krug

dva sukladana trokuta i pravokutnik

dva sukladna kruga i pravokutnik

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Izvodnica valjka označava se slovom

h

i

s

r

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Oplošje valjka računa se po formuli

O=B+PO=B+P

O=2BPO=2B\cdot P

O=2B+PO=2B+P

O=BhO=B\cdot h

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Obujam valjka računa se po formuli

V=BhV=Bh

V=13BhV=\frac{1}{3}Bh

V=r2πV=r^2\pi

V=2rπhV=2r\pi\cdot h

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