Quiz about Similarity Ratios

Question 1

What fraction of the counters are blue?

Accepted Answer

1/4

Answer

3/4

Answer

1/3

Answer

3/1

Question 2

The ratio of purple sweets to red sweets is 2 : 5

What fraction of the sweets are purple?

Accepted Answer

2/7

Answer

5/2

Answer

2/5

Answer

5/7

Question 3

The 1st term of a ratio is 25 and its second is 20. The simplest form of that ratio is:

Accepted Answer

5 : 4

Answer

5 : 3

Answer

6 : 4

Answer

2 : 1

Question 4

What is the area ratio of the given figures?

Write a simplified fraction for your answer.

Accepted Answer

$$\frac{81}{400}$$

Answer

$$\frac{9}{20}$$

Answer

$$\frac{3}{10}$$

Answer

$$\frac{27}{60}$$

Question 5

If two triangles are similar and the ratio of their corresponding sides is 3:4, what is the ratio of their areas?

Accepted Answer

9:16

Answer

3:4

Answer

6:8

Answer

12:16

Question 6

If the linear scale factor is 5:6, then the ratio of areas is...

Accepted Answer

25:36

Answer

5:6

Answer

10:12

Answer

125:216

Question 7

What is the similarity(sides) ratio of the given figures?

Write a simplified fraction for your answer.

Accepted Answer

$$\frac{7}{3}$$

Answer

$$\frac{14}{6}$$

Answer

$$\frac{10}{2}$$

Answer

$$\frac{49}{9}$$

Question 8

What is the similarity ratio (sides) of the given figures?

Write a simplified fraction for your answer.

Accepted Answer

$$\frac{6}{11}$$

Answer

$$\frac{36}{121}$$

Answer

$$\frac{18}{61}$$

Answer

$$\frac{1296}{14641}$$

Question 9

What is the similarity ratio (sides) of the given figures?

Write a simplified fraction for your answer.

Accepted Answer

$$\frac{2}{1}$$

Answer

$$\frac{10}{5}$$

Answer

$$\frac{100}{25}$$

Answer

$$\frac{200}{50}$$

Question 10

What is the perimeter ratio of the given figures?

Write a simplified fraction for your answer.

Accepted Answer

$$\frac{9}{20}$$

Answer

$$\frac{3}{10}$$

Answer

$$\frac{27}{60}$$

Answer

$$\frac{81}{400}$$

Question 11

What is the area ratio of the given figures? Write a simplified fraction for your answer.

Accepted Answer

$$\frac{49}{9}$$

Answer

$$\frac{14}{6}$$

Answer

$$\frac{7}{3}$$

Answer

$$\frac{196}{36}$$

Question 12

What is the area ratio of the given figures? Write a simplified fraction for your answer.

Accepted Answer

$$\frac{36}{121}$$

Answer

$$\frac{6}{11}$$

Answer

$$\frac{18}{61}$$

Answer

$$\frac{1296}{14641}$$

Question 13

What is the area ratio of the given figures? Write a simplified fraction for your answer.

Accepted Answer

$$\frac{4}{1}$$

Answer

$$\frac{10}{5}$$

Answer

$$\frac{2}{1}$$

Answer

$$\frac{100}{25}$$

Question 14

What is the area ratio of the given figures?

Write a simplified fraction for your answer.

Accepted Answer

$$\frac{9}{25}$$

Answer

$$\frac{15}{25}$$

Answer

$$\frac{3}{5}$$

Answer

$$\frac{3}{4}$$

Question 15

What is the perimeter ratio of the given figures? Write a simplified fraction for your answer.

Accepted Answer

$$\frac{3}{5}$$

Answer

$$\frac{15}{25}$$

Answer

$$\frac{9}{25}$$

Answer

$$\frac{3}{4}$$

Question 16

Complete each proportion.
AB / BM = ? / CD

Accepted Answer

AC

Answer

BC

Answer

MD

Answer

MC

Question 17

Solve for X.

Accepted Answer

2 ft

Answer

3 ft

Answer

4 ft

Answer

6 ft

Question 18

The triangles are similar, solve for the question mark.

Accepted Answer

18

Answer

8

Answer

12.5

Answer

24

Question 19

Complete each proportion.
CB / DM = AC / ?

Accepted Answer

AD

Answer

BM

Answer

MA

Answer

BC

Question 20

If two figures are similar, the corresponding sides are ______________.

Accepted Answer

proportional

Answer

equal

Answer

congruent

Answer

none of these

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