wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Identifying Congruent Triangles

Total questions: 20

Worksheet time: 9mins

Name
Class
Date
1.
Which of the following is not a valid reason to prove congruent triangles?
a)
SSA
b)
AAS
c)
SAS
d)
SSS
2.

Name the postulate, if possible, that makes the triangles congruent.

a)

SSS

b)

SAS

c)

ASA

d)

Not Congruent

3.
Name the postulate, if possible, that makes the triangles congruent.
a)
SSS
b)
SAS
c)
ASA
d)
AAS
4.

Name the postulate, if possible, that makes the triangles congruent.

a)

SAS

b)

ASA

c)

AAS

d)

Not Congruent

5.

Name the postulate, if possible, that makes the triangles congruent.

a)

SAS

b)

ASA

c)

AAS

d)

Not Congruent

6.

Name the postulate, if possible, that makes the triangles congruent.

a)

SSS

b)

SAS

c)

ASA

d)

Not Congruent

7.

Name the postulate, if possible, that makes the triangles congruent.

a)

SSS

b)

ASA

c)

AAS

d)

Not Congruent

8.

Name the postulate, if possible, that makes the triangles congruent.

a)

SSS

b)

SAS

c)

AAS

d)

Not Congruent

9.

Name the postulate, if possible, that makes the triangles congruent.

a)

SAS

b)

SSA

c)

HL

d)

Not Congruent

10.
Name the postulate, if possible, that makes the triangles congruent.
a)
SSS
b)
SAS
c)
ASA
d)
AAS
11.
If Triangle ABC is congruent to Triangle XYZ, which pair of angles are congruent?
a)
B & Z
b)
B & X
c)
A & Z
d)
C & Z
12.
Use the congruency statement to answer the following: 
∠F = ∠ ___
a)
H
b)
I
c)
G
d)
not congruent to another angle
13.

∆EHG≅∆KFC

Which is a true statement?

a)

EH≅FC

b)

HG≅KF

c)

EG≅KC

d)

∠E≅∠C

14.

Given the two triangles, which congruence statement is NOT true?

a)

AB DFAB\ \cong\ DF

b)

DE ACDE\ \cong\ AC

c)

Δ ABC ΔDFE\Delta\ ABC\ \cong\ \Delta DFE

d)

ΔABC Δ DEF\Delta ABC\ \cong\Delta\ DEF

15.

Parts that match between two congruent triangles are called

a)

congruent shapes

b)

corresponding parts

16.

This is an example of

a)

a reflection

b)

a rotation

17.

This is an example of a

a)

rotation

b)

translation

18.

This is an example of a

a)

translation

b)

rotation

19.

What transformation shows that the triangles are congruent?

a)

reflection

b)

rotation

c)

translation

d)

dilation

20.

What transformation shows that these triangles are congruent?

a)

reflection

b)

rotation

c)

dilation

d)

translation