Quiz about Similarity Ratio and Proportions

Question 1

The triangles are similar. Solve for x.

Accepted Answer

2

Answer

7

Answer

4

Answer

8

Question 2

The triangles are similar. Solve for x.

Accepted Answer

26

Answer

34

Answer

30

Answer

16

Question 3

The triangles are similar. Solve for x.

Accepted Answer

9

Answer

8

Answer

7

Answer

10

Question 4

Solve the proportion

Accepted Answer

2.91

Answer

.73

Answer

1.32

Answer

1.68

Question 5

Solve the proportion

Accepted Answer

.75

Answer

1.88

Answer

1

Answer

6

Question 6

Corresponding sides in similar figures are proportional

Accepted Answer

True

Answer

False

Question 7

Solve the proportion

Accepted Answer

14

Answer

2

Answer

-14

Answer

-2

Question 8

What is the zoom factor or scale factor from small to big of these 2 figures?

Accepted Answer

$$\frac{2}{3}$$

Answer

$$\frac{3}{2}$$

Answer

$$-\frac{3}{2}$$

Answer

$$-\frac{2}{3}$$

Question 9

What is the zoom factor or scale factor from the large rectangle to the small rectangle?

Accepted Answer

$$\frac{3}{2}$$

Answer

$$\frac{2}{3}$$

Answer

$$\frac{24}{15}$$

Answer

$$\frac{8}{5}$$

Question 10

$$\Delta GHI\ \sim\ \Delta_{---}$$

Complete the similarity statement.

Accepted Answer

JKL

Answer

JLK

Answer

KJL

Answer

LKJ

Question 11

The triangles are similar. Solve for x.

Accepted Answer

5

Answer

4

Answer

6

Answer

7

Question 12

Solve for x and y.

Accepted Answer

x=11.43, y=42.78

Answer

x=11.43, y=192.5

Answer

x=14, y=48

Answer

x=10, y=11.43

Question 13

A telephone booth that is 8ft tall casts a shadow that is 4ft long. Find the height of a lawn gnome that casts a 2ft shadow.

Accepted Answer

4 ft

Answer

2 ft

Answer

6 ft

Answer

8 ft

Question 14

Solve for x.

Accepted Answer

8

Answer

6

Answer

5

Answer

-8

Question 15

One property of similar triangles is that corresponding angles of two similar triangles are congruent. What is the second property of similar triangles?

Accepted Answer

Corresponding sides are equally proportional

Answer

Corresponding sides are congruent

Answer

Corresponding sides are unrelated

Answer

Corresponding sides are equal

Question 16

What side corresponds with DE?

Accepted Answer

CA

Answer

AB

Answer

EC

Answer

BA

Question 17

What side corresponds with BC?

Accepted Answer

FD

Answer

ED

Answer

EC

Answer

CB

Question 18

What is the value of X?

Accepted Answer

2.04

Answer

92

Answer

2.15

Answer

2.5

Question 19

Determine whether the triangles are similar.

Accepted Answer

AA~

Answer

SSS~

Answer

SAS~

Answer

not similar

Question 20

Are the following similar? Why or why not?

Accepted Answer

No, the ratios of the corresponding sides are not equal.

Answer

Yes

Answer

No, the corresponding angles are not equal.

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