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Review for Test: Similarity & Proofs

Total questions: 20

Worksheet time: 1hrs 21mins

Name
Class
Date
1.
What type of angle pair is ∠1 and ∠5?
a)
alternate interior angles
b)
corresponding angles
c)
alternate exterior angles
d)
vertical angels. 
2.

What type of angle pair is ∠1 and ∠3?

a)

alternate interior angles

b)

linear pair

c)

corresponding angles

d)

vertical angles

3.
Name the alternate interior angle to angle 3.
a)
4
b)
5
c)
6
d)
8
4.
Name the angle relationship.
a)
Alternate Interior
b)
Alternate Exterior
c)
Corresponding
d)
Vertical Angles
5.

Solve for x.

a)

A

b)

B

c)

C

d)

D

6.

Find the measure of the angle indicated in bold (bottom right angle).

a)

A

b)

B

c)

C

d)

D

7.

The Angle-Angle Similarity (AA ~) Theorem states if two angles of one triangle are _______________ to two angles of another triangle, then the triangles are ____________________.

a)

adjacent; equal

b)

complementary; scalene

c)

congruent; similar

d)

supplementary; isosceles

8.

The Side-Side-Side Similarity (SSS ~) Theorem states if the corresponding sides of two triangles are _____________________, then the triangles are _________________.

a)

proportional; similar

b)

similar, proportional

c)

congruent; congruent

d)

equal; equilateral

9.
Determine the relationship between the triangles.
a)
AA∼
b)
SAS∼
c)
AAA∼
d)
Not necessarily
similar
10.
Determine the relationship between the triangles.
a)
SSS∼
b)
SAS∼
c)
AA∼
d)
Not similar
11.
Determine the relationship between the triangles.
a)
SSS∼
b)
SAS∼
c)
AA∼
d)
Not similar
12.

If two triangles are similar their angles are______.

a)

proportional

b)

congruent

c)

supplementary

d)

complementary

13.

If two triangles are similar, the corresponding sides are ______________.

a)

equal

b)

congruent

c)

proportional

d)

none of these

14.
Complete each proportion.
CB / DM  =  AC / ?
a)
BM
b)
MA
c)
BC
d)
AD
15.

What is the scale factor from ΔABC to ΔDEF?

a)

1/2

b)

7/3

c)

2

d)

10/3

16.
Find the missing length indicated.
a)
30
b)
25
c)
45
d)
50
17.
What are the 2 missing pieces of information?
a)
Transitive Property, SAS(Side-Angle-Side)
b)
Reflexive Property, SAS(Side-Angle-Side)
c)
Transitive Property, SSS(Side-Side-Side)
d)
Reflexive Property, SSS(Side-Side-Side)
18.
What is the "reason" for step 2 of the proof?
a)
reflexive property
b)
proof
c)
SAS
≅ thrm
d)
given
19.
What is the "statement" for step 3 of the proof? 
a)
∡EDA≅∡DCB
b)
∡AED≅∡BEC
c)
DE=CE
d)
∡AED≅∡CED
20.
Choose the similarity statement for the triangles.
a)
ΔMNL ∼ ΔOPQ
b)
ΔNOM ∼ ΔPQL
c)
ΔLMN ∼ ΔPQO
d)
ΔMLN ∼ ΔPQO