Proving Triangle Congruence Using Postulates

Which triangle congruence theorem can be used to prove the triangles are congruent?

• HL

• SSA

• SAS

• AAS

Tags

CCSS.HSG.SRT.B.5

Congruent by

• SSS

• SAS

• ASA

• AAS

Tags

CCSS.HSG.SRT.B.5

State if the two triangles are congruent. If they are, state how you know.

• A

• B

• C

• D

Tags

CCSS.HSG.SRT.B.5

State if the two triangles are congruent.  If they are, state how you know.

• A

• B

• C

• D

Tags

CCSS.HSG.SRT.B.5

Are these triangles congruent? If so, state the rule which you used to determine congruence.

• Yes by ASA

• Yes by SSS

• Yes by SSA

• Not congruent

Tags

CCSS.HSG.SRT.B.5

What does SSS prove?

• Nothing

• Triangles similar

• Triangles congruent

• Triangle angle sum

Tags

CCSS.HSG.SRT.B.5

What does ASA prove?

• Nothing

• Triangles similar

• Triangles congruent

• Triangle angle sum

Tags

CCSS.HSG.SRT.B.5

Which of the following is not a valid reason to prove congruent triangles?

• SSA

• ASA

• SAS

• SSS

Tags

CCSS.HSG.SRT.B.5

State if the two triangles are congruent.  If they are, state how you know.

• A

• B

• C

• D

Tags

CCSS.HSG.SRT.B.5

Name the corresponding angle or side.

• A

• B

• C

• D

Tags

CCSS.HSG.CO.B.7