Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Proving Triangles are Congruent

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

In Δ𝐴𝐵𝐶, identify the included side between ∠A and ∠B?

a)

line segment AB

b)

line segment AC

c)

line segment BC

d)

line segment CA

2.

In ΔDEF, identify the included angle between line segment DE and line segment EF?

a)

∠ D

b)

∠ E

c)

∠ F

d)

none of the above

3.

Given Δ TOY ≅ Δ CAP, what side corresponds line segment OT?

a)

line segment OP

b)

line segment PC

c)

line segment AC

d)

line segment OY

4.

From the information stated below, what statement can be concluded?

line segment OP ≅ line segment OS ;

line segment OG ≅ line segment OR ;

line segment GP ≅ line segment SR ;

∠ P ≅ ∠ S ;

∠ O ≅ ∠ O ; and

∠ G ≅ ∠ R

a)

Δ POG ≅ Δ SOR

b)

Δ OGP ≅ Δ SOR

c)

Δ GOP ≅ Δ SRO

d)

Δ OPG ≅ Δ ORS

5.

If Δ CAT ≅ Δ DOG, then Δ ACT is congruent to _____________.

a)

Δ ODG

b)

Δ GOD

c)

Δ OGD

d)

Δ DOG

6.

In the given figure, if corresponding congruent parts are marked, then how can you prove Δ 𝐺𝑂𝐴 ≅ Δ 𝐺𝑇𝐴 ?

a)

ASA Congruence Postulate

b)

SAS Congruence Postulate

c)

SSS Congruence Postulate

d)

AAS Congruence Theorem

7.

To be able to apply SSS Congruence Postulate, what additional information is needed in the following pairs of triangles?

a)

∠ B ≅ ∠ E

b)

∠ C ≅ ∠ F

c)

line segment AC ≅ line segment DF

d)

line segment AC ≅ line segment EF

8.

Which of the following cannot be used in proving triangle congruence?

a)

SSS ≅ SSS

b)

AAA ≅ AAA

c)

SAS ≅ SAS

d)

HyL ≅ HyL

9.

Two triangles are congruent if they have 2 angles and the included side of one triangle is congruent to the corresponding parts of the other triangle?

a)

True

b)

False

c)

Maybe

d)

Sometimes

10.

Andrew knows that line segment AB ≅ line segment DE and line segment AC ≅ line segment DF. What other information must he know to prove Δ𝐴𝐵𝐶 ≅ Δ𝐷𝐸𝐹 by SAS Congruence Postulate?

a)

∠ B ≅ ∠ E

b)

∠ C ≅ ∠ F

c)

∠ A ≅ ∠ D

d)

∠ A ≅ ∠ E