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PA: Similar Figures, Indirect Measurement, and Scale

Total questions: 35

Worksheet time: 6hrs 48mins

Name
Class
Date
1.
Matching angles are called
a)
Corresponding Sides
b)
Corresponding Angles
c)
The Same
d)
Congruent Angles
2.
Matching sides are called
a)
Corresponding Sides
b)
Corresponding Angles
c)
The Same
d)
Congruent Sides
3.

All angles in similar figures are congruent.

a)

True

b)

False

4.

Two objects that are the same shape but not the same size are _______.

a)

Congruent

b)

Vertical

c)

Similar

d)

Complementary

5.

Sides in similar figures must be proportional.

a)

True

b)

False

6.
Two shapes that are similar are also congruent
a)
True
b)
False
7.
Are the following similar? Why or why not?
a)
Yes. All pairs of corresponding angles are congruent.
b)
No, the corresponding angles are not equal.
c)
No, the ratios of the corresponding sides are not equal.
8.

Find missing side

a)

5

b)

7

c)

9

d)

11

9.

Gwen scans a photo that is 4 in. wide by 6 in. tall into her computer. If she scales the height down to 3 in., how wide should the similar photo be?

a)

3 in

b)

2 in.

c)

4 in

d)

1 in

10.

A picture of a school’s mascot is 18 in. wide and 24 in. long. It is enlarged proportionally to banner size. If the width is enlarged to 54 in., what is the length of the banner?

a)

72 in

b)

60 in

c)

62 in

d)

80 in

11.

The two right triangles below are similar. What is x, the missing side length in triangle DEF?

a)

3.75

b)

9.75

c)

10

d)

12

12.

A tree is 12 feet tall and casts a shadow 9 feet long. A building nearby casts a shadow that measures 24 feet. How tall is the building? (Draw a picture, set up a proportion)

a)

24 feet

b)

21 feet

c)

27 feet

d)

32 feet

13.
Find the height of the tree.
a)
8 ft
b)
12 ft
c)
13 ft
d)
15 ft
14.

The __________ shows the relationship between the two similar figures.

a)

scale drawing

b)

indirect measurement

c)

scale factor

d)

scale model

15.
On a map, the distance between two towns in 2.6 cm. The scale of the map is 1 cm:50 km. What is the actual distance between the two towns?
a)
100 km
b)
130 km
c)
70 km
d)
150 km
16.

Find the height of the statue.

a)

20

b)

30

c)

25

d)

23

17.

Find the height of the building.

a)

74

b)

100

c)

104

d)

108

18.

Find the height of the flagpole.

a)

15

b)

13

c)

11

d)

17

19.

At the same time a 6 foot person casts a 2 foot shadow, a nearby flagpole casts a ten foot shadow. How tall is the flagpole?

a)

3 feet

b)

10 feet

c)

16 feet

d)

30 feet

20.

A tree is 72 feet tall and has a shadow that is 12 feet long. A nearby tree has a shadow of 5 feet. How tall is the tree?

a)

3 ft.

b)

300 ft.

c)

30 ft.

d)

35 ft.

21.

On a map, the distance between Louisville, Kentucky, and Nashville, Tennessee, is 1 3/4 inches. The scale of the map is 1 in:100 mi. What is the actual distance between the two cities?

a)

200 miles

b)

175 miles

c)

100 miles

d)

125 miles

22.

From Denver to Chicago = 3 in. If the scale is 1 in = 300 miles, find the actual distance.

a)

300 miles

b)

1000 miles

c)

900 miles

d)

600 miles

23.

A blueprint was using a scale of 3cm = 4.5m. Find the actual length if it is 5cm on the drawing. (Hint: simplify the scale first)

a)

7.5

b)

13.5

c)

1.5

d)

1.7

24.

Scale: 1in.=7ft. The actual width of the backyard is 49 ft, how wide is it in the drawing?

a)

14 in

b)

7 in

c)

42 in

d)

56 in

25.

A scale drawing of a house shows 9cm ×10cm. If 6cm=12 ft, what are the actual dimensions?

a)

9ft x 10ft

b)

1ft x 2ft

c)

12ft x 6ft

d)

18ft x 20ft

26.

What is the scale factor of the triangle on the left to the triangle on the right.

a)

2

b)

3/2

c)

2/3

d)

1/2

27.

What is the scale factor from ΔDEF to ΔABC?

a)

1/2

b)

7/3

c)

2

d)

10/3

28.

The term "corresponding" means ...

a)

congruent

b)

similar

c)

matching

d)

multiply

29.

If the scale on a map is 2 in = 5ft, what is the scale factor?

a)

2/25

b)

1/30

c)

2.5

d)

1/2.5

30.

This symbol stands for ...

a)

is corresponding to

b)

is proportional to

c)

is congruent to

d)

is similar to

31.

In a scale drawing of a car, the car is 5 in long. If the actual length of the car is 10 ft, what is the scale?

a)

x 2

b)

2 ft:1 in

c)

1 in:2 ft

d)

1/2 ft

32.

Find the scale factor if the scale is 2 in: 80 ft.

a)

2/80

b)

1/40

c)

1/24

d)

1/480

33.

Find the scale factor if the scale is 8 cm:64 m.

a)

1/800

b)

1/8

c)

1/80

d)

8

34.

When is the Chapter 5 Test?

a)

Tuesday, January 14

b)

Monday, January 13

c)

Friday, January 17

d)

What test???

35.

The length of a object on a scale model is 4 inches, and its actual length is 82 feet. What is the scale (with a numerator of 1)?

a)

2:41

b)

1 in:20.5 ft

c)

4 in:82 ft

d)

1:246