
AV1 2º ano 3ºTri
Authored by Tânia Melnik Bellandi
Mathematics
2nd Grade
Used 2+ times

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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dois triângulos têm ângulos correspondentes iguais. O triângulo A tem lados de 3 cm, 4 cm e 5 cm. Se o triângulo B é semelhante ao triângulo A e seu lado maior mede 10 cm, qual é o comprimento do lado menor correspondente ao lado de 3 cm?
6 cm
7 cm
8 cm
9 cm
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se dois triângulos são semelhantes e os lados do primeiro triângulo medem 6 cm, 8 cm e 10 cm, e os lados do segundo triângulo medem 9 cm, 12 cm e x cm, qual é o valor de x?
15 cm
14 cm
13.5 cm
12 cm
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em um triângulo retângulo, se o ângulo A mede 30º e o lado oposto a A mede 5 cm, qual é o comprimento da hipotenusa?
5 cm
10 cm
7.5 cm
10√3 cm
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule o valor do cosseno do ângulo de 60º.
0.5
0.6
0.7
0.8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A função afim é dada por f(x) = 2x + 3. Qual é o valor de f(4)?
11
12
13
14
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se a função f(x) = 5x - 1, qual é o valor de x quando f(x) = 9?
2
1
3
4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor de g(5) para a função linear representada por g(x) = 3x?
15
10
5
3
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