
Atividade Avaliativa 9º A - Números Especiais
Authored by HELEN OLIVEIRA
Mathematics
7th Grade
Used 1+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Vinícius, utilizando compasso, deve construir uma circunferência cuja medida de comprimento do diâmetro seja igual a 18,6 cm. O primeiro passo para esta construção é determinar a medida da abertura do compasso, que neste caso deve ser igual a:
6,3
7,6
8,6
9,3
2.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Observe a figura que segue. A partir da referida abertura do compasso, a medida do comprimento do diâmetro da circunferência construída, será igual a:
3,5
5,0
7,0
7,5
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Qual a medida da diagonal de um quadrado cujo lado mede 10 cm.
20 cm
20 √2 cm
15 cm
10 √2 cm
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Se a área de um quadrado mede 400 cm², qual a medida da diagonal desse quadrado?
30√2 cm
40 cm
20√2 cm
40√2 cm
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
No quadrado abaixo temos a medida de sua diagonal, quanto mede o lado deste quadrado
50 m
60 m
75 m
90 m
100 m
6.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Qual das opções seguintes apresenta dois números irracionais?
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Assinala as afirmações que são verdadeiras.
é um número real
Um número irracional é representado por uma dízima infinita não periódica.
é um número natural.
é um número irracional
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