
Semelhança 8.º7
Authored by Rubina Velosa
Mathematics
8th Grade
10 Questions
Used 7+ times

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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dois segmentos de reta têm comprimentos 2,1 cm e 3,5 cm. Qual é a razão de semelhança na redução?
0,6
0,8
1,5
1,7
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
As seguintes figuras são semelhnates. O valor de x, em centímetros, é igual a:
32 cm
36 cm
38 cm
40 cm
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
5,2 cm
6 cm
6,2 cm
6,5 cm
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
16
12
8
4
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual dos seguintes valores pode ser igual à razão de semelhança de uma ampliação?
0,2
1
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Num triângulo, os lados medem 15 cm, 18 cm e 21 cm. Num outro triângulo semelhante, o menor lado mede 5 cm. Qual é o perímetro do triângulo menor?
54
36
27
18 cm
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