
Círculo e circunferência
Authored by Ana Silva
Mathematics
6th Grade
Used 31+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O que é "uma linha curva fechada e plana com todos os seus pontos à mesma distância do centro?"
Circunferência
Polígono
Círculo
Quadrado
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Q2. Considera a figura.
Assinala os segmentos que representam raios.
[OA]
[OC]
[AB]
[EC]
[OD]
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O Pi resulta da divisão do perímetro pelo diâmetro de um círculo e escreve-se π . Indica o valor aproximado de π?
3,5
3,1416
4,1216
3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o raio de uma circunferência de 6 cm de diâmetro?
12 cm
18 cm
3 cm
9 cm
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calcula o diâmetro de uma circunferencia cujo raio mede 15 dm?
7,5 cm
300 cm
60 dm
75 cm
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na sala do Renato há uma mesa com 1,2 m de diâmetro. Qual é o perímetro da mesa? (aproximado às décimas)
π = 3,1416
3,77
3,5
3,76992
3,8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcula o valor do diâmetro de um canteiro que apresenta perímetro de 20 m.
(π 3,14)
9 m
6 m
6,36 m
3,18 m
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