
porcentagem
Authored by EVANDRO GIRARDI
Mathematics
9th Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
QUESTÃO 4: Dois terrenos vizinhos possuem 14 m e 21 m de fundo respectivamente, como mostra a figura abaixo. A frente do menor deles tem 18m de comprimento. Qual é a medida da frente do terreno maior?
27
14
17
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
O valor de x, é:
2
3
4
5
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
QUESTÃO 1: Determine a medida do segmento AB na figura abaixo, utilizando o Teorema de Tales:
9 cm
5 cm
108 cm
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
SABE-SE QUE DOIS ÂNGULOS INTERNOS DE UM TRIÂNGULO SÃO 30º E 60º. ENTÃO, QUAL É A MEDIDA DO TERCEIRO ÂNGULO INTERNO?
90º
180º
45º
30º
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Determine o valor de x.
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Determine o valor de x na figura abaixo, sabendo que as retas r e s são paralelas e os ângulos são 3x - 10° e 110°.
x = 40°
x = 30°
x = 50°
x = 60°
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A sombra de um prédio, em um terreno plano, em uma determinada hora do dia, mede 15 m. Nesse mesmo instante, próximo ao prédio, a sombra de um poste de altura 5 m mede 3 m. A altura do prédio, em metros, é:
25
29
30
31
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