
Desafios de Matemática do 9º Ano
Authored by VANESSA APARECIDA GUERBI SANTOS
Mathematics
9th Grade
Used 1+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o resultado da operação 3/4 + 2/5?
3/5
23/20
1/2
7/10
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule a área de um triângulo com base de 10 cm e altura de 5 cm.
30 cm²
20 cm²
25 cm²
15 cm²
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se 4 maçãs custam R$ 8,00, quanto custarão 10 maçãs?
R$ 20,00
R$ 25,00
R$ 15,00
R$ 12,00
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a soma dos ângulos internos de um triângulo?
120 graus
90 graus
360 graus
180 graus
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um triângulo tem lados de 5 cm, 12 cm e 13 cm. Ele é um triângulo retângulo?
Não, é um triângulo isósceles.
Sim, mas não é um triângulo.
Sim, é um triângulo retângulo.
Não, é um triângulo equilátero.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a área de um triângulo com lados de 6 cm, 8 cm e 10 cm?
30 cm²
24 cm²
20 cm²
18 cm²
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se a velocidade de um carro é de 60 km/h, quanto tempo ele levará para percorrer 120 km?
2 horas
3 horas
4 horas
1 hora
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