
Matemática: Áreas e Proporções
Authored by CHRISTIANE GRZYB
Mathematics
8th Grade
Used 3+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Se 4 maçãs custam R$8,00, quanto custarão 10 maçãs?
R$16,00
R$20,00
R$24,00
R$28,00
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Na fabricação de 20 camisas, 8 máquinas gastam 4 horas. Para produzir 15 camisas, 4 máquinas gastam quantas horas?
6 horas
5 horas
7 horas
4 horas
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Qual é a média aritmética simples dos números 4, 8, 12 e 16?
8
10
12
14
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Qual é a área de um retângulo com base de 5 cm e altura de 3 cm?
8 cm²
12 cm²
15 cm²
18 cm²
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
154 cm²
144 cm²
134 cm²
124 cm²
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Se o diâmetro de um círculo é 10 cm, qual é o raio?
2 cm
3 cm
5 cm
7 cm
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Qual é a área de um triângulo com base de 6 cm e altura de 4 cm?
10 cm²
12 cm²
14 cm²
24 cm²
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