Test iz matematike - Obim i površina kruga

Quiz
•
Mathematics
•
7th Grade
•
Hard
Daliborka Mladenovic
Used 20+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Površina kruga poluprečnika 5 cm je:
5π cm
25π cm
10π cm
15π cm
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Obim kruga poluprečnika 7 cm je:
14π cm
≈ 44 cm
14π cm
44π cm
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Odgovarajući centralni ugao za periferijski ugao od 42° nad istim kružnim lukom je:
168º
84º
42º
48º
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dužina kružnog luka kružnice poluprečnika 9 cm nad centralnim uglom od 20º je:
180 cm
4π cm
16 cm
π cm
5.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Površina kružnog isečka poluprečnika 3 cm, koji odgovara centralnom uglu od 120° je:
3π cm2
9π cm2
12π cm2
15π cm2
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Površina kružnog prstena koji određuju dve koncentrične kržnice poluprečnika 6 cm i 3 cm je:
25π cm2
18π cm2
2π cm2
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Ako je obim kruga 16 πcm, kolika je površina tog kruga
46π cm2
32π cm2
256π cm2
64π cm2
8.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Približna vrednost broja π je :
3,14
3
3,15
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