
Trojúhelník - obvod a obsah
Authored by Veronika Vanousova
Mathematics
7th - 9th Grade
Used 26+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vyber vzorec pro výpočet obvodu trojúhelníku:
o = a . b . c
S = a . b . c
o = a + b + c
S = 2 . ( a + b)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vyber vzorec pro výpočet obsahu pravoúhlého trojúhelníku:
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaký obvod má trojúhelník FRK s délkami stran 5 cm, 1,2 dm a 0,16 m?
6,36 cm
3,3 m
63,6 dm
33 cm
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kolik pletiva bude třeba koupit na nový plot kolem dětského hřiště ve tvaru trojúhelníku se stranami délek 24 m, 16 m a 10 m?
25 m
17 m
50 m
20 m
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jaký obsah má pravoúhlý trojúhelník, který vznikne rozpůlením listu papíru formátu A4 (rozměry 217 mm a 298 mm)?
515 mm2
32333 mm2
257,5 mm2
64666 mm2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Urči obsah pravoúhlého trojúhelníku ABC:
30 cm2
30 cm
60 cm2
60 cm
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jaký je obsah vyobrazeného trojúhelníku:
16 cm2
36 cm2
12,5 cm2
18 cm2
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