Vyber vzorec pro výpočet obvodu kosočtverce

Obvod a obsah rovnoběžníka

Quiz
•
Mathematics
•
7th Grade
•
Hard
Katerina Kulhava
Used 36+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
o = a + b + c + d
o = a + a + a + a
o = 4 . a
o = 2 . (a + b)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jak se vypočítá obvod kosodélníka?
o = a + b + c + d
o = a + a + a + a
o = 4. a
o = 2 . (a + b)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Podle kterého vzorce vypočítáš obsah kosočtverce?
S = a . b
S = a . va
S = b . vb
S = 4 . a
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Podle kterého vzorce spočítáš obsah kosodélníka?
S = a . b
S = a . va
S = b . vb
S = a . a
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Jestliže plot kolem pozemku tvaru kosodélníka je dlouhý 24 m, jak je dlouhá jedna strana pozemku?
6 m
8 m
60 dm
600 dm
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaký je obsah kosodélníka ABCD, znáš - li :
a = 5,2 cm
b = 6 cm
vb = 5 cm.
30 cm2
26 cm2
31,2 cm2
22,4 cm2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaký je obsah kosočtverce, má - li stranu dlouhou 6,2 cm a je vysoký 4 cm?
28,4 cm2
20,4 cm2
10,2 cm2
24,8 cm2
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