Free Printable Proving Triangle Congruence

1.

The statement “two triangles are congruent if their corresponding sides and angles are congruent” is based on _________.

a)

Definition

b)

Postulate

c)

Theorem

d)

Axiom

2.

In the figure $\Delta POG\ \cong\ \Delta SOR$ , what is the side corresponding to $\overline{PO}$ ?

a)

$\overline{SO}$

b)

$\overline{RD}$

c)

$\overline{RS}$

d)

$\overline{OS}$

3.

In the figure $\Delta DOS$ , what side is included between $\angle D$ and $\angle O$ ?

a)

$\overline{DO}$

b)

$\overline{DS}$

c)

$\overline{SD}$

d)

$\overline{OS}$

4.

Jancent knows that $\overline{AB}\ \cong\ \overline{XY}$ and $\overline{AC}\ \cong\ \overline{XZ}$ . What other information must he know to prove that $\Delta ABC\ \cong\ \Delta XYZ$ by SAS congruence postulate?

a)

$\angle B\ \cong\ \angle Y$

b)

$\angle C\ \cong\ \angle Z$

c)

$\angle A\ \cong\ \angle X$

d)

$\angle A\ \cong\ \angle B$

5.

$\Delta MIG\$ and $\Delta JAN$ , $\overline{MI}\ \cong\ \overline{JA}\ ,\ \overline{IG}\ \cong\ \overline{AN}\$ and $\overline{MG}\ \cong\ \overline{JN}$ . Which congruence postulate can he use to prove that $\Delta MIG\ \cong\ \Delta JAN$ ?

a)

ASA

b)

SAS

c)

AAA

d)

SSS

6.

Why is it important to have a basis for reasoning in writing proofs when proving the congruence of triangles?

4 lines

Proving Triangle Congruence

Total questions: 6

Worksheet time: 4mins

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