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REC_MAT_3_EM_2TRI

Authored by GEVERSON OLIVEIRA

Mathematics

12th Grade

Used 2+ times

REC_MAT_3_EM_2TRI
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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

Media Image

Qual a altura do farol?

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

14,6

17,3

19,6

20,3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

sen 30° = ?

1/2
√3/2
√2/2
1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

tan 30° = ?

1/2
√3/2
√3/3
√3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

sen 60° = ?

1/2
√3/2
√2/2
1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

cos 45° = ?

1/2
√3/2
√2/2
1

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