Obvod a obsah
Authored by Martina Abrahamová
Mathematics
4th Grade
Used 692+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vyber vzorec pro obvod čtverce:
a . a
a . b
4 . a
2 . a
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vyber vzorec pro obvod obdélníku:
2 . a + 2 . b
4 . (a + b)
a . b
a + b
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaký je vzorec pro výpočet obsahu čtverce?
2 . (a + b)
4 . a
a . a
a . b
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaký je vzorec pro výpočet obsahu obdélníku?
2 . a + 2 . b
4 . a
a . a
a . b
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kolik cm měří obvod čtverce o straně a = 3 cm?
10
12
14
16
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kolik cm měří obvod obdélníku o stranách a = 4 cm, b = 5 cm?
12
16
18
20
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jaký obvod má rovnostranný trojúhelník o straně a = 7 cm?
12 cm
140 mm
120 cm
21 cm
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