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Similar Triangles (Mixed Practice)

Total questions: 12

Worksheet time: 1hrs 1mins

Name
Class
Date
1.
Are the triangles similar?
a)
Yes
b)
No
2.
a)

1:3

b)

3

c)

2:3

d)

3:2

3.

Are these triangles similar? If so, why?

a)

AA

b)

SAS

c)

SSS

d)

Not Similar

4.

Are these triangles similar? If so, why?

a)

AA

b)

SAS

c)

SSS

d)

Not Similar

5.

Are these triangles similar? If so, why?

a)

AA

b)

SAS

c)

SSS

d)

Not Similar

6.
How do these triangles appear to be similar?
(Hint: Look for non-labeled parts!)
a)
AA
b)
SAS
c)
SSS
d)
Not Similar
7.
Choose the similarity statement for the triangles.
a)
ΔMNL ∼ ΔOPQ
b)
ΔNOM ∼ ΔPQL
c)
ΔLMN ∼ ΔPQO
d)
ΔMLN ∼ ΔPQO
8.

Which of the following is NOT true about similar figures?

a)

Similar figures always have the same shape.

b)

Similar figures always have the same size.

c)

Similar figures always have corresponding angles that are equal.

d)

Similar figures always have corresponding sides that are proportional.

9.
a)
20
b)
30
c)
25
d)
23
10.
To find the height of a very tall pine tree, you place a mirror on the ground and stand where you can see the top of the pine tree.  How tall is the tree?
a)
144 feet
b)
72 feet
c)
36 feet
11.
a)
15
b)
13
c)
11
d)
17
12.
a)

45°:117°:18°

b)

50°:130°:20°

c)

35°:115°:20°

d)

35°:120°:22°