Quiz about Ch 8.1-8.3 Geometry Quiz (Ratios, Proportions, Similar Figures)

Question 1

The ratio of the measures of 2 supplementary angles is 9:15. What is the measure of the largest angle?

Accepted Answer

112.5

Answer

67.5

Answer

108

Answer

115

Question 2

The ratio of the measures of two complementary angles is 1:8. Find the measure of the SMALLEST angle.

Accepted Answer

10 degrees

Answer

11.25 degrees

Answer

8 degrees

Answer

20 degrees

Question 3

The ratio of 3 angles in a triangle in 1:2:3. Find the measure of the LARGEST angle.

Accepted Answer

90

Answer

45

Answer

60

Answer

120

Question 4

Which side corresponds to side FH?

Accepted Answer

JH

Answer

GH

Answer

KH

Answer

JK

Question 5

$$\frac{10}{m}=\frac{8}{3}$$ Solve the proportion. Round to the tenths place.

Accepted Answer

3.8

Answer

26.7

Answer

240

Answer

34

Question 6

$$\frac{n-9}{6}=\frac{4}{5}$$ Solve the proportion. Round to the tenths place.

Accepted Answer

13.8

Answer

27.6

Answer

1.9

Answer

34

Question 7

$$\frac{5}{9}=\frac{7}{x-7}$$ Solve the proportion. Round to the tenths place.

Accepted Answer

19.6

Answer

39.2

Answer

3.6

Answer

1.8

Question 8

Find the scale factor from B to A.

Accepted Answer

1:3

Answer

3:1

Answer

9:60

Answer

16:20

Question 9

Are the polygons similar?

Accepted Answer

No

Answer

Yes

Question 10

Determine whether the two polygons are similar.

Accepted Answer

No, Not Similar

Answer

Yes, Similar

Question 11

Determine which shortcut tells the two triangles are similar.

Accepted Answer

NO

Answer

SSS~

Answer

SAS~

Answer

AA~

Question 12

Determine which shortcut tells the two triangles are similar.

Accepted Answer

NO

Answer

SSS~

Answer

SAS~

Answer

AA~

Question 13

Determine which shortcut tells the two triangles are similar.

Accepted Answer

NO

Answer

SSS~

Answer

SAS~

Answer

AA~

Question 14

Determine which shortcut tells the two triangles are similar.

Accepted Answer

SSS~

Answer

SAS~

Answer

AA~

Answer

NO

Question 15

Determine which shortcut tells the two triangles are similar.

Accepted Answer

AA~

Answer

SSS~

Answer

SAS~

Answer

NO

Question 16

The triangles are similar. Solve for x.

Accepted Answer

40

Answer

46

Answer

57.6

Answer

38

Question 17

The triangles are similar. Solve for x.

Accepted Answer

8.3

Answer

10

Answer

9.1

Answer

9

Question 18

Solve for the missing side BC.

Accepted Answer

4

Answer

12

Answer

6

Answer

16

Question 19

Find the missing side length of the similar triangles.

Accepted Answer

40

Answer

57.6

Answer

60

Answer

0.625

Question 20

Which of the following is NOT a method for indirect measurement?

Accepted Answer

JOGGING

Answer

MIRROR

Answer

SHADOW

Answer

SURVEYING

Question 21

Solve for the height of the flag pole. (Hint: Set up a proportion.)

Accepted Answer

15 ft

Answer

10 ft

Answer

24 ft

Answer

20 ft

Question 22

$$If\ 2\ polygons\ have\ a\ scale\ factor\ of\ \frac{3}{7},\ what\ is\ the\ perimeter\ ratio\ of\ the\ polygons?\ $$

Accepted Answer

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

Answer

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

Answer

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

Answer

1

Question 23

$$What\ is\ the\ area\ ratio\ if\ the\ scale\ factor\ of\ two\ similar\ triangles\ is\ 5:12?$$

Accepted Answer

25:144

Answer

10:24

Answer

2.5:6

Answer

1:0

Question 24

The scale factor of 2 similar polygons is 5:6. The Larger has an area of 86 . What's the area of the Smaller polygon?

Accepted Answer

59.7

Answer

103

Answer

72

Answer

47

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