Question 1

1. Which is NOT true about Similarity of Polygons?

Accepted Answer

Opposite sides are congruent.

Answer

Corresponding angles are congruent.

Answer

Corresponding sides are proportional.

Answer

They have the same shape.

Question 2

2. Which pair of figures are similar?

Accepted Answer

II and III

Answer

I and III

Answer

II only

Answer

I only

Question 3

3. What is the scale factor of the similar figures below?

Accepted Answer

5: 3

Answer

4: 3

Answer

2: 1

Answer

5: 4

Question 4

4. Which pair of figures are similar?

Accepted Answer

∆𝑋𝑌𝑍~∆𝑄𝑅𝑆

Answer

∆𝑄𝑅𝑆~∆𝐴𝐵𝐶

Answer

∆𝑋𝑌𝑍~∆𝐴𝐵𝐶

Answer

∆ZX𝑌~∆𝐴𝐵𝐶

Question 5

5. What is the scale factor of the similar figures below?

Accepted Answer

1: 2

Answer

4: 3

Answer

1: 4

Answer

3: 4

Question 6

6. Which of these pairs of figures are similar?

Accepted Answer

I, II and III

Answer

III only

Answer

II only

Answer

I only

Question 7

7. The common ratio of two similar figures is called a ________.

Accepted Answer

Scale Factor

Answer

Common Factor

Answer

Variation

Answer

Proportion

Question 8

8. Which similarity statement is TRUE among the triangles below?

Accepted Answer

∆𝐻𝐼𝐽~∆𝑀𝑁𝑂

Answer

∆𝐷𝐸𝐹~∆𝐻𝐼𝐽

Answer

∆𝑁𝑀𝑂~∆𝐻𝐼𝐽

Answer

∆𝐷𝐸𝐹~∆𝑀𝑁O

Question 9

9. What is the scale factor of the similar figures below?

Accepted Answer

$\frac{2}{1}$

Answer

$\frac{2}{1}$

Answer

$\frac{2}{1}$

Answer

$\frac{2}{1}$

Question 10

10. What is the scale factor of the similar figures below?

Accepted Answer

$\frac{2}{1}$

Answer

$\frac{2}{1}$

Answer

$\frac{2}{1}$

Answer

$\frac{2}{1}$

Question 11

11. Which symbol is used to denote similarity?

Accepted Answer

~

Answer

≅

Answer

=

Answer

≥

Question 12

12. Which of these pairs of figures is similar?

Accepted Answer

II and III

Answer

I and II

Answer

I, II and III

Answer

I only

Question 13

13. If two triangles are similar and has a scale factor of $\frac{2}{1}$ , which is are possible side measures of one triangle?

Accepted Answer

3, 6, 9 units

Answer

2, 4, 6 units

Answer

5, 6, 7 units

Answer

6, 9, 15 units

Question 14

14. What is the scale factor of the similar figures below?

Accepted Answer

$\frac{2}{1}$

Answer

$\frac{2}{1}$

Answer

$\frac{2}{1}$

Answer

$\frac{2}{1}$

Question 15

15. Which similarity statement is TRUE among the triangles below?

Accepted Answer

∆𝐷𝐸𝐹~∆𝑀𝑁𝑂

Answer

∆MNO~∆HIJ

Answer

∆𝐻𝐼𝐽~∆𝑀𝑁𝑂

Answer

∆𝐷𝐸𝐹~∆𝐻𝐼𝐽

Question 16

16. What is the scale factor of the similar figures below?

Accepted Answer

$\frac{2}{1}$

Answer

$\frac{2}{1}$

Answer

$\frac{2}{1}$

Answer

$\frac{2}{1}$

Question 17

17. Which of these pairs of figures has a scale factor of $\frac{2}{1}$ ?

Accepted Answer

II only

Answer

All of the above

Answer

III only

Answer

I only

Question 18

18. Refer to figures in item no. 17. Which pair of figures is similar?

Accepted Answer

I and II

Answer

I and III

Answer

II and III

Answer

All of the above

Question 19

19. What is the scale factor of the similar figures below?

Accepted Answer

4: 3

Answer

5: 3

Answer

5: 2

Answer

7: 4

Question 20

20. Which pair of figures is similar?

Accepted Answer

∆𝑋𝑌𝑍~∆𝐴𝐵𝐶

Answer

∆𝑄𝑅𝑆~∆𝐴𝐵𝐶

Answer

∆𝑋𝑌𝑍~∆𝑄𝑅𝑆

Answer

None of the above

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