
Práce s poloměrem kruhu
Quiz
•
Mathematics
•
8th Grade
•
Hard
Jaroslav Švihel
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaký je obvod kruhu se poloměrem 5 cm?
15π cm
25 cm
10π cm
3π cm
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pokud má kruh obvod 31.4 cm, jaký je jeho poloměr?
Poloměr kruhu je 5 cm.
Poloměr kruhu je 7 cm.
Poloměr kruhu je 6 cm.
Poloměr kruhu je 4 cm.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kolik je obsah kruhu se zadaným poloměrem 8 cm?
32π cm^2
48π cm^2
16π cm^2
64π cm^2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jak se změní obvod kruhu, pokud zdvojnásobíme jeho poloměr?
Zdvojnásobením poloměru se obvod kruhu také zdvojnásobí.
Zdvojnásobením poloměru se obvod kruhu zmenší.
Zdvojnásobením poloměru se obvod kruhu zvětší o 50%.
Zdvojnásobením poloměru se obvod kruhu zůstane stejný.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaký je poloměr kruhu, pokud má obsah 50.24 cm²?
4.5 cm
3.2 cm
2.1 cm
6.8 cm
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kolik je obvod kruhu se zadaným poloměrem 12 cm?
89,398 cm
56,398 cm
75,398 cm
37,698 cm
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pokud má kruh obvod 62.8 cm, jaký je jeho poloměr?
10 cm
5 cm
15 cm
20 cm
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