Semelhança 8.º7

Semelhança 8.º7

8th Grade

10 Qs

quiz-placeholder

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Semelhança 8.º7

Semelhança 8.º7

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Medium

Created by

Rubina Velosa

Used 7+ times

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10 questions

Show all answers

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

Media Image

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

Media Image

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

Media Image

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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