
Rec 2 - 9° Ano - 2T
Authored by RONALDO OLIVEIRA
Mathematics
9th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A placa de trânsito a seguir “Entroncamento Oblíquo à direita” tem como função advertir o condutor do veículo sobre a presença de um entroncamento à direita, mais à frente da via.
Considerando que os ângulos destacados na imagem são suplementares, o valor do menor ângulo é
26°
52°
78°
102°
130°
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sabe-se que x e y são ângulos complementares.
O valor do ângulo x quando y vale 30º será
30°
45°
60°
90°
150°
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual a medida do ângulo y na imagem?
80°
90°
100°
180°
360°
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na imagem a seguir, as retas u, r e s são paralelas e cortadas por uma reta t transversal. Determine o valor dos ângulos x e y respectivamente.
x = 50° e y = 180°
x = 50° e y = 130°
x = 130° e y 50°
x = 50° e y = 50°
Impossível determinar os valores de x e y
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Analisando os ângulos de mesma cor, podemos afirmar que eles são:
Colaterais internos
Alternos internos
Colaterais externos
Alternos externos
Complementares
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Determine o valor real de x, sabendo que r//s.
15°
30°
90°
105°
180°
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Determine o valor real de x, sabendo que r//s.
15°
25°
30°
35°
45°
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