
Elementos da Circunferência e Cálculos
Mathematics
7th Grade
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o nome do segmento de reta que liga o centro da circunferência a um ponto qualquer na circunferência?
Diâmetro
Raio
Corda
Tangente
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se o diâmetro de uma circunferência é 10 cm, qual é o raio?
5 cm
10 cm
15 cm
20 cm
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o nome do segmento de reta que passa pelo centro da circunferência e tem suas extremidades na circunferência?
Raio
Diâmetro
Corda
Secante
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se o raio de uma circunferência é 7 cm, qual é o diâmetro?
7 cm
14 cm
21 cm
28 cm
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a fórmula para calcular a área de uma circunferência?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
18.84 cm²
28.26 cm²
37.68 cm²
56.52 cm²
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a fórmula para calcular a circunferência (perímetro) de uma circunferência?
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