
PA e Trigonometria
Authored by ELIZANGELA FUERST
Mathematics
3rd Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a razão da progressão aritmética (PA) na sequência: 3, 7, 11, 15, ...?
2
3
4
5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o 5º termo da PA cuja razão é 3 e o primeiro termo é 2?
11
14
17
20
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em uma PA, o primeiro termo é 5 e a razão é 6. Qual é o 7º termo?
35
41
47
53
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se o 3º termo de uma PA é 10 e a razão é 2, qual é o primeiro termo?
4
6
8
10
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule o seno do ângulo de 30° em um triângulo retângulo.
1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em um triângulo retângulo, se o cateto oposto ao ângulo de 45° mede 1, qual é o valor do seno desse ângulo?
1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor do seno de um ângulo de 90° em um triângulo retângulo?
0
1
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