Worksheets9 Scale Factor #1
Total questions: 17
Worksheet time: 2hrs 32mins
Name
Class
Date
1.
What is the scale factor if the triangle on the left is the original?
a)
2
b)
3/2
c)
2/3
d)
1/2
2.
The pair of figures are similar. Find the missing side.
a)
x = 1
b)
x = 3
c)
x = 9
d)
x = 5
3.
Angles A and P are....
a)
Congurent
b)
Congruent and Corresponding
c)
Corresponding and not Congruent
4.
In what range is the scale factor?
a)
less than 1
b)
greater than 1
c)
equal to 1
5.
What is the height of the lighthouse?
a)
24
b)
32
c)
80
6.
Which is the original?
a)
CDEFG
b)
C'D'E'F'G'
c)
Cannot tell
7.
The triangles are similar. What is the measurement of x?
a)
20 m
b)
24 m
c)
16 m
d)
4 m
8.
Find the measure of the missing side.
a)
5
b)
7
c)
9
d)
11
9.
Find the perimeter of the large triangle.
a)
24
b)
36
c)
12
d)
54
10.
If two figures are similar corresponding angles are congruent.
a)
True
b)
False
11.
If the scale factor is less than one, the new figure will be......
a)
an enlargement
b)
a reduction
c)
a scale factor
d)
bigger
12.
If the scale factor is greater than one, the new figure will be......
a)
a reduction
b)
an enlargement
c)
a scale
d)
not proportional
13.
Which side length corresponds with EF?
a)
ML
b)
LM
c)
OL
d)
EH
14.
In similar figures, corresponding sides are:
a)
Congruent
b)
Proportional
15.
If the scale factor is 1, then the image is......
a)
Larger
b)
Smaller
c)
The same size
16.
Solve the proportion.
a)
32
b)
6
c)
1.5
17.
What is the scale factor from triangle ABC to triangle DEF?
a)
1/2
b)
7/3
c)
2/1
d)
10/3
100 %
