
avaliação
Mathematics
2nd Grade
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
As razões trigonométricas só se aplicam em...
triângulos acutângulos.
triângulos obtusângulos.
triângulos retângulos.
triângulos equiláteros.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A razão cosseno é igual a...
Nenhuma das alternativas
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Na figura, está representado um triângulo retângulo.
Qual das igualdades está correta?
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Na figura, está representado um triângulo retângulo.
Qual das igualdades está correta?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Em um Triângulo Retângulo, o lado oposto ao ângulo reto é ...
Cateto
Projeção
Hipotenusa
Altura
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Esta relação métrica: "A hipotenusa ao quadrado é igual a soma dos quadrados dos catetos", lembra:
O Teorema de Laplace
O Teorema de Pitágoras
O Teorema de Abel-Ruffini
O Teorema da Bissetriz
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual é a razão trigonométrica que relaciona o cateto adjacente e a hipotenusa?
Cosseno
Tangente
Secante
Seno
Answer explanation
A razão trigonométrica que relaciona o cateto adjacente e a hipotenusa é o cosseno. O cosseno de um ângulo em um triângulo retângulo é definido como a razão entre o comprimento do cateto adjacente e o comprimento da hipotenusa.
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