
Quiz sobre Áreas de Círculos
Authored by luiz cordova
Mathematics
9th Grade
Used 1+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
25 cm²
78,5 cm²
31,4 cm²
50 cm²
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se o diâmetro de um círculo é 10 m, qual é o raio?
5 m
10 m
20 m
15 m
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
113,04 cm²
37,68 cm²
452,16 cm²
28,26 cm²
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4 m
5 m
6 m
7 m
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a relação entre o raio e o diâmetro de um círculo?
O raio é o dobro do diâmetro.
O diâmetro é o dobro do raio.
O raio é igual ao diâmetro.
O raio é metade do diâmetro.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
153,86 cm²
38,5 cm²
49 cm²
21,98 cm²
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se dois círculos têm raios de 3 cm e 6 cm, qual é a razão entre suas áreas?
1:2
1:4
1:3
1:9
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