
Poliedros: Áreas e Volumes
Authored by Luís Morais
Mathematics
8th Grade
Used 1+ times

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20 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
Quantos mini-quadrados existem no quadrado mágico de Kai?
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Answer explanation
Área do quadrado = lado x lado
lado = 9
Área do quadrado = 9 x 9 = 92
= 81
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quantos mini-quadrados existem no quadrado?
3 : 3
3 + 3
3 x 2
32
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a área deste quadrado?
Área do quadrado = lado * lado = lado2
42 = 16
42 = 4 x 2 = 8
4√2
82 = 61
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a fórmula mágica para descobrir a área de um quadrado?
Área = lado2
Área = lado + lado
Área = (lado + lado)2
Área = 2lado2
5.
OPEN ENDED QUESTION
3 mins • 1 pt
Quantas faces tem um cubo?
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Answer explanation
Um cubo tem 6 faces e cada face é um quadrado.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a fórmula para calcular a área da superfície de um cubo? O símbolo * é o mesmo que × (multiplicação)
4 * (lado)2
3 * (lado)2
2 * (lado)2
6 * (lado)2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como é que se chama o "lado" da face de um cubo?
Aresta
Vértice
Face
Área
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