
Poliedros e Prismas
Authored by Thiago Ramon Silva Azevedo
Mathematics
12th Grade
Used 8+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Quantas arestas e quantos vértices tem um poliedro convexo de 20 faces, todas triangulares?
A= 30
V = 60
A = 30
V = 12
A = 60
V = 24
A = 24
V = 60
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Determinemos os números de arestas e vértices de um poliedro convexo de 20 faces, das quais 11 são triangulares, 2 quadrangulares e 7 pentagonais.
A = 30
V = 24
A = 38
V = 42
A = 34
V = 24
A = 38
V = 20
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Quais poliedros são convexos?
I, II, V
I, IV, V
I, III, IV
III, IV, V
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Num poliedro convexo o número de arestas excede o de vértices de 6 unidades. Calcule o número de faces desse poliedro.
6
7
8
9
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Na figura ao lado tem-se um peso feito de ferro. Ele tem a forma de um cubo, cuja área total é de 150 cm² Sabendo-se que a densidade do ferro é 7,8 g/cm³, qual é a massa desse peso?
957 g
75 g
97 g
975 g
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
3
4
5
6
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Calcule a aresta de um cubo de 27 m³ de volume.
3
4
6
27
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