
Circunferência - 9.º ano
Authored by Elsa Ferreira
Mathematics
9th - 12th Grade
Used 20+ times

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10 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Observa a imagem e seleciona as opções verdadeiras
[EB] é uma corda
[AC] é um diâmetro
A medida da amplitude do arco EB é 180º
FD é um arco
A razão entre o perímetro e o diâmetro de uma circunferência é pi.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual a medida da amplitude do ângulo x?
60º
240º
120º
180º
3.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
A medida da amplitude do ângulo x é
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O ângulo ACB é um ângulo
ao centro
inscrito
ex-inscrito
de um segmento
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Na figura, [ABCD] é um trapézio isósceles inscrito numa circunferência de centro O.
[BC] é um diâmetro e a medida da amplitude do ângulo AOD é 40º.
Seleciona a opção FALSA.
A medida da amplitude do ângulo DOC=70º
A medida da amplitude do arco AB=80º
A medida da amplitude do ângulo DB=110º
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Indica o valor de x
51º
37º
88º
7.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Indica o valor de x.
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