
Rec 9 ano 3°tri
Mathematics
9th Grade
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na figura que segue DE // BC. Então o valor numérico de x é:
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma casa de 6 m de altura produz uma sombra de 3,5 m de comprimento. No mesmo instante em que um edifício produz uma sombra de 35 m de comprimento, a altura do edifício é de:
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Maria Sofia desenhou dois triângulos, sendo que o triângulo SRT é uma ampliação do triângulo ABC. A medida x do lado SR é igual a
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Os lados de um triângulo ABC medem 26 cm, 24 cm e x cm. Sabendo que esse triângulo é retângulo e que a hipotenusa mede 26 cm, qual o valor da medida x?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quantos metros de fio são necessários para ligar os fios de um poste de 9m de altura até a caixa de luz que está ao lado da casa e a 12m da base do poste?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
144
12
72
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Determine a medida b indicada no triângulo retângulo ao lado. (use a seguinte relação métrica: cateto ao quadrado é igual sua projeção vezes a hipotenusa)
6
12
36
27
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