Intro to Triangle Congruence Theorems

What are the five ways to prove triangles congruent?

• SSS, ASA, AAS, SAS, HL
• SSS, SSA, HL, AAS, SAS
• SAS, SSA, HL, AAS, SSS
• HL, SAS, SSA, SSS, ASA

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CCSS.HSG.SRT.B.5

Which of the following are NOT sufficient to prove two triangles are congruent? Choose all that apply.

• SSS

• AAA

• ASA

• SSA

• AAS

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CCSS.HSG.SRT.B.5

What does SSS stand for?

• Small Small Small
• Side Side Side
• Small Side Small
• Sam's Silly Side

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CCSS.HSG.SRT.B.5

What does SAS stand for?

• Side-Angle-Side
• Super-Awesome-Side
• Side-Angle-Supersized
• Sensationally Awesome Superman

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CCSS.HSG.SRT.B.5

∠A ≅∠?

• ∠B
• ∠E
• ∠D
• ∠F

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CCSS.HSG.CO.B.7

Name the postulate, if possible, that makes the triangles congruent.

• SSS
• SAS
• ASA
• AAS

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CCSS.HSG.SRT.B.5

Name the postulate, if possible, that makes the triangles congruent.

• SAS
• ASA
• AAS
• Not Possible

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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 AAS
• Yes by SSA
• Not congruent

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CCSS.HSG.SRT.B.5

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

• AAA
• AAS
• ASA
• Not necessarily congruent

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CCSS.HSG.SRT.B.5

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

• SSA
• AAS
• ASA
• Not necessarily congruent

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CCSS.HSG.SRT.B.5