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WorksheetsUnit 5: Scale Factor Test Review
Total questions: 50
Worksheet time: 1hrs 11mins
_________ ________ is the number you multiply by the sides to create a similar figure.
Corresponding Angle
Scale Factor
Mid Point
Similar objects
What is the scale factor from the small fry to the large fry?
1/3
48
4
3
If a copy has a scale factor of 1/2 it is
bigger
smaller
same size
If a copy has a scale factor of 6 then it is
bigger
smaller
same size
ΔPQR is similar to ΔSTU What side corresponds to side UT?
PQ
RQ
QR
QP
Which copies are scale drawings when compared to the original triangle?
1, 2, and 3
1 and 2
2 and 3
1
2
A Lego model of the Burj Khalifa was created using a scale of 1 foot = 650 feet. If the lego model reaches a height of 4.18 feet, what is the height of the Burj Khalifa?
2,717 feet
2, 152 feet
2, 376 feet
A scale drawing of Mt. Marcy is 17.8 inches high. Determine the actual height of Mt. Marcy if the scale used for the drawing was 1.5 inches = 450 feet.
8,010 feet
5,340 feet
12,015 feet
If the scale factor is greater than one, the new figure will be...
a reduction
an enlargement
a scale
not proportional
What scale was used to create the map?
1 inch = 40 miles
A rectangle has the dimensions 4cm by 5cm. A scale factor of 3 is used to enlarge the rectangle. What is the new area?
20 cm2
60 cm2
180 cm2
100 cm2
A rectangle has the dimensions 2.2cm by 4.5cm. A scale factor of 4 is used to enlarge the rectangle. What is the new area?
39.6 cm2
8.8 cm2
9.9 cm2
158.4 cm2
CB / DM = AC / ?
Which proportion can be used to solve for the missing side?
What is the measure of angle F?
36o
63o
81o
99o
A figure must have the same shape and size to be _________.
Congruent
Similar
Side Angle Side
Which scale factor is an example of a reduction?
k = 1/2
k = 1
k = 3/2
k = 2.5
Which scale factor is an example of an enlargement?
k = 1/2
k = 1
k = 3/2
k = 0.75
What is a ratio that compares two measurements?
ratio
scale
reciprocal
cheetah
What is the scale factor from square A to square B?
10
2
3
30
What is the scale factor from ABC to DEF?
2
3/2
2/3
1/2
The scale of the drawing shown is 1 cm = 3 in. How high is the mug in real life?
3 inches
6 inches
9 inches
12 inches
In the map, 1 inch = 30 miles.
The distance between Charleston and Columbia (on the map) are 4 1/2 inches.
How many miles apart are they in real life?
60 miles
120 miles
135 miles
150 miles
A floor plan of a doctor's office is shown.
1 inch = 20 ft
What are the actual dimensions of the doctor's office?
length: 30 ft width: 20 feet
length: 60 feet width: 40 feet
length: 90 feet width: 60 feet
length: 20 feet width: 10 feet
Which figure is a scaled copy of the Original (A)
B
C
D
None of the above
Three student are arguing over the picture above.
- Rhonda says the scale is 3
- Jaclyn says the scale is 2
- Haley says the scale is 2.5
Who is correct?
Rhonda
Jaclyn
Haley
None of them
If the perimeter is 8 times bigger, what is the scale factor?
64
8
16
No scale factor
If the area is 100 times bigger, what is the scale factor
10
100
50
No scale factor
Are the triangles similar?
Yes, the shapes look the same.
Yes, because the corresponding angles are congruent.
No, because the corresponding sides are not proportional.
No, because the shapes are different sizes.
Are the triangles similar?
No, because the corresponding sides are not proportional.
No, because the shapes are not oriented in the same direction.
Yes, because the corresponding sides are proportional.
Yes, because both shapes are triangles.
Are the triangles similar?
No, because the corresponding sides are not proportional.
No, because the shapes are not oriented in the same direction.
Yes, because the corresponding sides are proportional.
Yes, because both shapes are triangles.
what is the length of x?
9mm
4mm
4/9mm
36mm
