Bookmark and Share

Triangle Congruence: SSS, SAS, ASA, AAS, and HL

In this topic, we apply SSS, SAS, ASA, AAS, and HL to prove triangles congruent and solve problems.
Practice Question
1

The legs of both right ΔABC and right ΔDEF are 3 cm and 4 cm. They each have a hypotenuse 5 cm in length. Are triangles ABC and DEF congruent?
If yes, then which postulate or theorem justifies the congruence?

 
Possible Answers
Your Answer
Correct Answer
A)

Yes, SAS

B)

No

C)

Yes, SSS

D)

Yes, AAS

Practice Question
2

The legs of both right ΔABC and right ΔDEF are 12 cm and 5 cm. They each have a hypotenuse 13 cm in length. Are triangles ABC and DEF congruent?
If yes, then which postulate or theorem justifies the congruence?

 
Possible Answers
Your Answer
Correct Answer
A)

Yes, AAS

B)

No

C)

Yes, SAS

D)

Yes, SSS

Other Resources
View all concepts
Smartest Way to Practice Math
TenMarks is the smartest way to practice and learn math online. Experience our interactive worksheets that engage students.
Personalized program, mapped to state standards
Interactive worksheets with hints and video lessons
Rewards and certificates motivate students
Only $10 a month
TenMarks - Experience