Obvod a obsah kruhu
Authored by Michaela Hamplová
Mathematics
8th Grade
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9 questions
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1.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Jaký poloměr v cm má kruh o průměru 36 cm?
(a)
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Správný výpočet obvodu kruhu (v centimetrech) s poloměrem 18 cm?
o = 18 · π
o = π · 182
o = 2 · π · 18
o = 2 · π · 9
3.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Jaký průměr v dm má kružnice o poloměru 18 cm
(a)
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Jaký obvod má kruh o poloměru 21 cm?
66 cm
132 cm
1386 cm
5.
FILL IN THE BLANKS QUESTION
5 mins • 1 pt
Obvod kruhu o poloměru 5 cm je v decimetrech zaokrouhleno na desetiny
(a)
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Obsah kruhu o poloměru 4 cm je
25,12 cm2
6,28 cm2
12,56 cm2
50,24 cm2
7.
FILL IN THE BLANKS QUESTION
5 mins • 1 pt
Obsah kruhu o průměru 18 cm je (a) cm2
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