
Teorema de Tales
Authored by ELISANGELA SANCHES
Mathematics
9th Grade
Used 98+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Um concurso para preencher 200 vagas recebeu 1600 inscrições. Quantos candidatos há para cada vaga?
4
6
8
12
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Em uma empresa, a razão entre o número de mulheres e o número de homens é de 3/5. Sabendo que há 30 homens nessa empresa, então o número de mulheres é:
18
20
22
24
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sendo as retas r e s paralelas e t uma reta transversal a estas, determine os valores de a e b.
a = 35° e
b = 145°
a = 90° e
b = 180°
a = 45° e
b = 135°
a = 135° e
b = 45°
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sobre o triângulo ABC foi traçado o segmento de reta DE, conforme a imagem a seguir. Sabendo que o segmento DE é paralelo à base AC do triângulo, então podemos afirmar que x é igual a:
8
9
9,5
10
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sabendo que as retas r, s e t são paralelas e analisando a imagem, podemos afirmar que x é igual a aproximadamente:
1,10
1,18
1,20
1,25
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Na imagem a seguir, está representado um triângulo com as suas medidas dadas em centímetros. Sabendo que AC//DE e que AB = 21 cm, então b mede:
11
12
13
14
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Um prédio projeta no solo uma sombra de 5,0m. No mesmo horário e local, uma pessoa de 1,80m de altura projeta uma sombra de 80cm. Calcule a altura do prédio.
8 m
15 m
7,85 m
11,25 m
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