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Proving Triangle Congruency Quiz

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Refer to Figure 1. If AB̅̅̅̅ ≅ DE̅̅̅̅, ∠A ≅ ∠D and ∠C ≅ ∠F, then ∆ABC ≅ ∆DEF by what

postulate or theorem?

a)

AAS Congruence Theorem

b)

ASA Congruence Postulate

c)

SAS Congruence Postulate

d)

SSS Congruence Postulate

2.

Corresponding parts are marked in Figure 2, how can you prove that ∆ABE ≅ ∆DBC?

a)

AAS Congruence Theorem

b)

ASA Congruence Postulate

c)

SAS Congruence Postulate

d)

SSS Congruence Postulate

3.

Using Figure 3, what additional information is needed to be able to apply the ASA

Congruence Postulate?

a)

∠DIA ≅ ∠DEA

b)

∠IDA ≅ ∠EDA

c)

ID̅̅̅ ≅ ED̅̅̅̅

d)

D. DA̅̅̅̅ ≅ DA̅̅̅̅

4.

Refer to Figure 4. Is there enough information to conclude that the two triangles are

congruent? If so, what is the correct congruence statement?

a)

Yes; ∆SON ≅ ∆NYS

b)

Yes; ∆SNO ≅ ∆SNY

c)

Yes; ∆OSN ≅ ∆NYO

d)

No; not enough information

5.

In Figure 5, ∆ABC ≅ ∆DEF. Which of the following statements is NOT true?

a)

∠A ≅ ∠E

b)

∠C ≅ ∠F

c)

AB̅̅̅̅ ≅ DE̅̅̅̅

d)

̅AC̅̅̅ ≅ DF̅̅̅̅

6.

Refer to Figure 6. ∆ABC ≅ ∆DBC. Why is BC̅̅̅̅ ≅ BC̅̅̅̅?

a)

Concentric

b)

Reflexive

c)

Transitive

d)

Symmetric

7.

Refer to Figure 6. What pair of congruent parts can prove that ∆ABC ≅ ∆DBC by

ASA Congruence Postulate given that ∠A ≅ ∠D and AB̅̅̅̅ ≅ DB̅̅̅̅?

a)

BC̅̅̅̅ ≅ BC̅̅̅̅

b)

∠ABC ≅ ∠DBC

c)

∠BAC ≅ ∠BDC

d)

∠ACB ≅ ∠DCB

8.

Refer to Figure 6. Which of the following definition supports the statement:

If m∠A = m∠D, then ∠A ≅ ∠D.

a)

Definition of congruent angles

b)

Definition of congruent segments

c)

Definition of midpoint

d)

Definition of perpendicular segments

9.

Refer to Figure 7.

Given: CT̅̅̅̅ and MP ̅̅̅̅ intersect each other at point A. What theorem supports the statement: ∠PAT ≅ ∠MAC?

a)

Angle Bisector

b)

Isosceles Triangle

c)

Perpendicular Bisector

d)

Vertical Angle

10.

Refer to Figure 7.

Given: CT̅̅̅̅ and MP ̅̅̅̅ intersect each other at point A. If PT̅̅̅̅ ≅ PT̅̅̅̅, CP̅̅̅̅ ≅ MT ̅̅̅̅ and CT̅̅̅̅ ≅ MP ̅̅̅̅, which two triangles are

congruent?

a)

∆CAP ≅ ∆TAM

b)

∆CAM ≅ ∆TAP

c)

∆CPT ≅ ∆MTP

d)

∆PCM ≅ ∆TMC