trigonometria 10 questoes
Quiz
•
Mathematics
•
1st Grade
•
Medium
margareth sikorski
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a fórmula para calcular o cosseno de um ângulo em um triângulo retângulo?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor aproximado do cosseno do ângulo α no triângulo dado, sabendo que o valor do cateto adjacente é 24?
0,92
0,93
0,91
0,90
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor do cateto oposto no triângulo dado? Para seno 30° usar 0,5
1.87
0,03
8
480
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual o valor do cateto adjacente no triângulo? Use 0,87 para cos 30°
13,92
0,05
480
1,87
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor aproximado do seno de 30°?
0,5
0,866
0,707
1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor do ângulo formado entre a escada e o solo?
2
0,5
3
1,5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule a altura da árvore usando para tg 30°=0,58 e para cateto adjacente = 2 metros
3,44 m
0,29 m
2 m
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