Free Printable Congruent Parts of Triangles

1.

∠A = ≅

a)

∠M

b)

∠N

c)

∠L

2.

∠D ≅ ?

a)

∠X

b)

∠W

c)

∠Y

d)

∠C

3.

$\angle D\ \cong\ ?$

a)

$\angle X$

b)

$\angle W$

c)

$\angle Y$

d)

$\angle C$

4.

Given that these two triangles are congruent, ∠A = ?

a)

∠B

b)

∠E

c)

∠D

d)

∠F

5.

∆ABC ≅ ∆LMN. Which statement is NOT true?

a)

LM ≅ AB

b)

∆CAB ≅ ∆NLM

c)

∠C ≅ ∠N

d)

BC ≅ ML

6.

a)

A

b)

B

c)

C

d)

D

7.

The triangles are congruent. Which of the following statements must be true?

a)

∠A ≅ ∠D

b)

∠B ≅ ∠E

c)

AB ≅ DE

d)

AB ≅ EF

8.

∆EHG≅∆KFC
Which is a true statement?

a)

EH≅FK

b)

HG≅KF

c)

EG≅KC

d)

∠E≅∠C

9.

IF ∆ABC≅∆XYZ
which statement is true?

a)

AB≅XY

b)

AB≅YX

c)

AB≅XZ

d)

BC≅CB

10.

Which statement about the triangles at the right is true?

a)

ΔABC is not similar to ΔADF

b)

ΔABC is similar to ΔADF

c)

∠BAC is not congruent to ∠DAF

d)

ΔABC is congruent to ΔADF

11.

∆ABC≅∆XYZ
which is true?

a)

AB≅XY

b)

AB≅YX

c)

AB≅XZ

d)

BC≅CB

12.

If ∆LMK ≅ ∆LMT, then

∠K ≅ ____

a)

MT

b)

∠T

c)

∠M

d)

∠L

13.

If ∆LMK ≅ ∆LMT, then

∠K ≅ ____

a)

MT

b)

∠T

c)

∠M

d)

∠L

14.

Which side of ΔYDW corresponds with side AC in ΔABC

a)

Side YW

b)

Side DW

c)

Side YD

15.

Remember order matters. Which of the following is true?

a)

∆FGH ≡ ∆VHW

b)

∆HFG ≡ ∆HWV

c)

∆HGF ≡ ∆VHW

d)

∆FGH ≡ ∆VWH

16.

Which side of $\Delta DWY$ corresponds with side AC in $\Delta ABC$ ?

a)

Side WY

b)

Side DW

c)

Side DW

17.

What is the value of angle c? (Do not worry about the degrees symbol - just type the number)

(a)

18.

$\overline{CB}\ =\ ?$

a)

$\angle I$

b)

$\overline{GI}$

c)

$\overline{IB}$

d)

$\overline{BG}$

19.

Given that ∆EHG≅∆KFC. Which one is a true statement?

a)

EH=FK

b)

HG=KF

c)

EG=KC

d)

∠E=∠C

20.

Which of the following statements is NOT true if ABCD ≅ RSTU?

a)

CD ≅ TU

b)

AB ≅ RS

c)

∠T ≅ ∠C

d)

∠A ≅ ∠U

Congruent Parts of Triangles

Total questions: 20

Worksheet time: 20mins

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