
Figuras Geométricas e Fórmulas de Volume
Authored by GRAZIELA RIBEIRO ALVES DA SILVA
Mathematics
8th Grade
Used 2+ times

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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a fórmula para calcular a área de um retângulo?
A) A = b x h
B) A = l^2
C) A = πr^2
D) A = (b+B) x h / 2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a fórmula para calcular a área de um trapézio?
A) A = l^2
B) A = b x h
C) A = πr^2
D) A = (b+B) x h / 2
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Em um trapézio de bases 12 cm e 20 cm, a altura mede 5 cm. Qual é a sua área?
80 cm²
100 cm²
120 cm²
140 cm²
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Calcule a área de um círculo de raio 4 cm.
16π cm²
24π cm²
32π cm²
48π cm²
5.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Um prisma tem base formada por um triângulo retângulo com catetos medindo 24 cm e 18 cm. Sabendo que a altura desse prisma é de 20 cm, então qual é o seu volume?
4320 cm³
8640 cm³
12960 cm³
17280 cm³
6.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Um reservatório de gás possui formato de cilindro, com 2 metros de diâmetro e 2 metros de altura. Utilizando π = 3,1, qual é o volume desse reservatório?
12,4 m³
24,8 m³
31,0 m³
37,2 m³
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