Arcos e Ângulos na Circunferência
Passage
•
Mathematics
•
11th Grade
•
Practice Problem
•
Easy
Flávio Cunha
Used 2+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que é um arco de circunferência?
Uma linha reta entre dois pontos
Um segmento de reta
Uma das partes em que a circunferência é dividida por dois pontos
Um ponto no centro da circunferência
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que representa o ângulo AÔB na circunferência?
O arco AB
O arco AXB
O arco AYB
O arco completo
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a relação entre o arco AB e o ângulo AÔB?
O ângulo AÔB é o ângulo central correspondente ao arco AB
O ângulo AÔB é um ângulo reto
O ângulo AÔB é um ângulo agudo
O ângulo AÔB é um ângulo obtuso
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1° tem quantos minutos?
60 '
30 '
30 ''
60 ''
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a medida do arco AB em radianos?
1 radiano.
2 radianos.
1,5 radiano.
3 radianos.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a medida de um arco de volta completa em radianos?
2π rad
π rad
π/2 rad
π/4 rad
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule o comprimento de um arco AB definido em uma circunferência de raio 8 cm por um ângulo central AÔB de medida 120°. Arredonde para inteiro.
8 cm
12 cm
17 cm
20 cm
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