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#5.7 Using Congruent Triangles

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Fill in the blank:


Corresponding Parts of Congruent Triangles are ___________________.

a)

Corresponding

b)

Congruent

c)

Complete

d)

Coordinating

2.

Planning a Proof:

What could you use to prove the triangles are congruent?

a)

<TUV<WXV<TUV\cong<WXV
Alternate Interior Angles Theorem

b)

UVVX\overline{UV}\cong\overline{VX}
Segment Bisector Theorem

c)

<WVX<TVU<WVX\cong<TVU
Vertical Angles Theorem

d)

The triangles cannot be proven congruent

3.

The pair of triangles shown are congruent by the Hypotenuse-Leg Theorem. Which statement is true?

a)

<TRS<URV<TRS\cong<URV

b)

<RST<RUV<RST\cong<RUV

c)

TSVR\overline{TS}\cong\overline{VR}

d)

TRRU\overline{TR}\cong\overline{RU}

4.

The pair of triangles shown are congruent by the SAS Congruence Theorem. Which statement is true?

a)

 <JLK<MLN<JLK\cong<MLN 

b)

 <LKJ<LMN<LKJ\cong<LMN 

c)

 JLMN\overline{JL}\cong\overline{MN} 

d)

 KLLM\overline{KL}\cong\overline{LM} 

5.

The pair of triangles are congruent.

Name the theorem that proves this and a pair of congruent parts.

a)

Congruent by AAS
ACAB\overline{AC}\cong\overline{AB}

b)

Congruent by ASA.
EBAC\overline{EB}\cong\overline{AC}

c)

Congruent by AAS.
EBAC\overline{EB}\cong\overline{AC}

d)

Congruent by ASA
ACAB\overline{AC}\cong\overline{AB}

6.

The pair of triangles are congruent.

Name the theorem that proves this and a pair of congruent parts.

a)

Congruent by SAS
<BAC<BDC<BAC\cong<BDC

b)

Congruent by SAS.
<BCD<DCA<BCD\cong<DCA

c)

Congruent by AAS
<BAC<BDC<BAC\cong<BDC

d)

Congruent by AAS
<BCD<DCA<BCD\cong<DCA

7.

Find DE

a)

2

b)

5

c)

7

d)

12

8.

Why is ΔWXVΔYXZ\Delta WXV\cong\Delta YXZ   ?

a)

Because of the vertical angles theorem and AAS

b)

Because of the vertical angles theorem and SAS

c)

Because of the alternate interior angles theorem and AAS

d)

Because of the alternate interior angles theorem and SAS

9.

Why is ΔIGKΔHJK\Delta IGK\cong\Delta HJK   ?

a)

Because of the vertical angles theorem and AAS

b)

Because of the vertical angles theorem and SAS

c)

Because of the alternate interior angles theorem and AAS

d)

Because of the alternate interior angles theorem and SAS

10.

Choose the correct PLAN to prove that
 <H<J<H\cong<J  

a)

 <HIK<JIK<HIK\cong<JIK  
 ΔIHKΔIJK\Delta IHK\cong\Delta IJK  
 <H<J<H\cong<J  

b)

 IKIK\overline{IK}\cong\overline{IK} 
 ΔIHKΔIJK\Delta IHK\cong\Delta IJK  
 <H<J<H\cong<J