
Recomposição da Aprendizagem
Authored by ROSANA ADAMCZUK
Mathematics
9th Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Dois triângulos são semelhantes se:
Têm os mesmos ângulos e lados proporcionais.
Têm os mesmos ângulos e lados iguais.
Têm os mesmos lados e ângulos proporcionais.
Têm os mesmos lados e ângulos iguais.
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
As figuras abaixo nos mostram pares de triângulos semelhantes, dessa forma calcule os valores de e x e y:
x = 18, y = 18
x = 9 , y = 12
x = 13,5, y = 24
x = 15, y = 13,5
x = 24, y = 6
3.
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
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sabendo que os dois triângulos dessa figura são semelhantes. Determine a medida do segmento DF.
15 cm
15,5 cm
17,5 cm
19,5 cm
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sabendo que os triângulos representados na imagem são semelhantes, determine os valores de "x" e "y".
x = 8 e y = 5
x = 5 e y = 8
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
10 cm
12 cm
15 cm
18 cm
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Uma árvore projeta uma sombra de 15 metros. Ao mesmo tempo, um poste de 3 metros projeta uma sombra de 2 metros. Qual é a altura da árvore?
20 metros
22,5 metros
25 metros
30 metros
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