WorksheetsSimilar Triangles! G10A
Total questions: 16
Worksheet time: 19mins
Name
Class
Date
1.
Find missing side
a)
5
b)
7
c)
9
d)
11
2.
What is the measure of x?
a)
12
b)
15
c)
6
d)
9
3.
The triangles are similar, solve for the question mark.
a)
8
b)
12.5
c)
18
d)
24
4.
Complete each proportion.
CB / DM = AC / ?
CB / DM = AC / ?
a)
BM
b)
MA
c)
BC
d)
AD
5.
Determine if the triangles are similar. Justify.
a)
Yes, by SSS.
b)
Yes, by SAS. Scale Factor is 1:2.
c)
Yes, by SAS. Scale Factor is 3:1.
d)
No, not similar.
6.
Determine if the triangles are similar.
a)
AA
b)
SAS
c)
SSS
d)
Not Similar
7.
How do these triangles appear to be similar?
(Hint: Look for non-labeled parts!)
(Hint: Look for non-labeled parts!)
a)
AA
b)
SAS
c)
SSS
d)
Not Similar
8.
a)
25
b)
4
c)
9
d)
7
9.
Find AE
a)
12.5
b)
18
c)
11.75
d)
13
10.
Find x.
a)
54/7
b)
56/3
c)
11
d)
21/2
11.
How do these triangles appear to be similar?
(Hint: Look for non-labeled parts!)
(Hint: Look for non-labeled parts!)
a)
AA
b)
SAS
c)
SSS
d)
Not Similar
12.
Determine whether the triangles are similar.
a)
SSS~
b)
AA~
c)
SAS~
d)
not similar
13.
What is the measure of x?
a)
12
b)
15
c)
6
d)
9
14.
What side corresponds with AB?
a)
EC
b)
ED
c)
CA
d)
AB
15.
What is the value of x?
a)
20
b)
24
c)
28
d)
32
16.
Use the information in the diagram to determine the height of the tree.
a)
80 feet
b)
320 feet
c)
40 feet
d)
160 feet
100 %
