
Ângulos na circunferência
Authored by Ana Cebola
Mathematics
9th Grade
Used 163+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se a amplitude do ângulo é , a amplitude do arco é:
62º
124º
31º
236º
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Considera a circunferência de centro .
A amplitude do arco maior é:
65º
130º
180º
230º
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Considera a circunferência de centro .
A amplitude do arco é:
115º
50º
65º
100º
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Qual a afirmação verdadeira?
Dois arcos com a mesma amplitude são iguais.
Para cada ângulo inscrito há um ângulo ao centro correspondente.
Qualquer ângulo com vértice no interior da circunferência é um ângulo ao centro.
Qualquer ângulo com vértice na circunferência é um ângulo inscrito.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na circunferência de centro as cordas e são paralelas e a reta é tangente à circunferência em .
O valor de é:
40,2º
52,5º
105º
26,25º
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Considera a circunferência de centro .
Qual o valor a atribuir a e ?
e
e
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A amplitude do ângulo é:
60°
110°
120°
130°
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