
REC_MAT_3_EM_2TRI
Authored by GEVERSON OLIVEIRA
Mathematics
12th Grade
Used 2+ times

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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma haste de 1,80 m é colocada a uma distância de 2,5 m de um pé de manga, sendo a haste paralela ao pé de manga e, da base desta haste, até a copa da árvore se forma um ângulo de 42°. Com base nestas informações, qual a atura do pé de manga?
Dados:
seno 42°= 0,669
cosseno 42°= 0,743
tangente 42°= 0,90
2,50 m
3,47 m
3,65 m
2,25 m
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual a altura do farol?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
14,6
17,3
19,6
20,3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sen 30° = ?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
tan 30° = ?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sen 60° = ?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cos 45° = ?
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