A razão cosseno corresponde:

Trigonometria

Quiz
•
Marta Ferreira
•
Mathematics
•
9th - 12th Grade
•
5 plays
•
Medium
Student preview

12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
cateto adjacente/hipotenusa
cateto oposto/hipotenusa
cateto oposto/cateto adjacente
cosseno/seno
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Atendendo ao triângulo retângulo representado na figura, podemos afirmar que:
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Na figura, está representado um triângulo retângulo.
Apresentam-se a seguir quatro igualdades. Apenas uma está correta. Qual?
4.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Qual ou quais as expressões que permitem calcular o valor de
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Atendendo aos dados da figura, qual é aproximadamente a altura do penhasco?
98 metros.
69 metros.
120 metros.
Não é possível determinar a altura aproximada do penhasco.
6.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Considera a figura e indica qual( ais) a(as) afirmação(ões) falsa(s).
A amplitude do ângulo é .
A equação permite calcular a distância entre a praia e o castelo.
A distância entre a praia e o castelo é de, aproximadamente 100 m.
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Um avião levanta voo fazendo com a horizontal um ângulo de 20º . A que altura se encontra o avião, depois de ter percorrido 7 km?
2,394 m
2394 m
2548 m
6578 m
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