
Para início de conversa
Authored by REGIANE SLOMSKI
Mathematics
12th Grade
Used 2+ times

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28 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que há em comum na imagem da turista registrando sua selfie e a decolagem de um avião? Complete: Se você disse a ________, você acertou!
inclinação
velocidade
altura
distância
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na representação ao lado, conseguimos identificar um ________ tanto na selfie quanto na decolagem do avião. Complete a frase.
triângulo retângulo
círculo
quadrado
paralelogramo
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Considerando o triângulo retângulo com cateto oposto = 5 cm, cateto adjacente = 12 cm e hipotenusa = 13 cm, calcule o valor do seno do ângulo α. Qual é o valor de sen α?
5/13 ou aproximadamente 0,38
12/13 ou aproximadamente 0,92
13/5 ou aproximadamente 2,6
12/5 ou aproximadamente 2,4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Considerando o ângulo α como referência, qual é a razão trigonométrica do cosseno em um triângulo retângulo?
cateto adjacente / hipotenusa
cateto oposto / hipotenusa
cateto adjacente / cateto oposto
cateto oposto / cateto adjacente
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
No triângulo retângulo da imagem, com cateto adjacente igual a 12 cm e hipotenusa igual a 13 cm, calcule o valor de cos α.
12/13
5/13
13/12
5/12
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
No triângulo retângulo ABC, tem-se que BC = 10 cm e cos(Â) = 3/5. A medida de perímetro do triângulo ABC é:
12 cm.
14 cm.
16 cm.
20 cm.
24 cm.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dado o triângulo retângulo com hipotenusa de 10 cm e um cateto de 6 cm, qual é o valor do outro cateto?
8 cm
4 cm
5 cm
12 cm
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