ângulo ao centro e inscrito
Authored by Emília Rocha
Mathematics
9th Grade
Used 5+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
Na figura encontra-se representada uma circunferência de centro O.
Qual dos ângulos da imagem é um ângulo ao centro?
a
b
c
d
2.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
O ângulo BOA chama-se ângulo ao centro, pois:
O seu vértice é um ponto do interior da circunferência.
O seu vértice pode ser um ponto qualquer da circunferência.
O seu vértice coincide com o centro da circunferência.
3.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
60°
110°
120°
130°
4.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
Qual o valor de x?
240
120
100
80
5.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
Se a amplitude do ângulo ABC é 62º , a amplitude do arco AC é:
62º
124º
31º
236º
6.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
50°
75°
135°
150°
7.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
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