
Sondagem 1º ano A
Authored by Kadu Picaza
Mathematics
10th Grade
Used 5+ times

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4 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Na figura a seguir, o ângulo α, do quadrilátero ABCD inscritível a circunferência, mede 100° e o arco BC, dessa circunferência, mede 90°. Deste modo, determine, em graus, o valor do arco AB?
55°
70°
85°
110°
125°
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Em uma eleição estão concorrendo os candidatos A, B e C. Realizada uma pesquisa de intenção de voto com 1.000 eleitores, obteve-se o seguinte resultado, ilustrado no gráfico de setores a seguir.
O valor do ângulo x do gráfico de setores é
18 graus.
36 graus.
60 graus.
72 graus.
84 graus.
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Considere a figura seguinte na qual x e y são medidas de arco, e z é a medida do ângulo assinalado.
Pode-se afirmar que x + y + z é igual a:
255o.
265o.
275o.
285o.
295o.
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Sabendo que o ângulo APB, formado por duas retas que tangenciam uma circunferência nos pontos A e B, conduzidas por um ponto P externo, mede 35º, o valor em graus do menor arco formado por essas tangentes é
70º
115º
140º
180º
215º
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