Triangle Congruence

• Third Angle Theorem

• Vertical Angles

• Alternate Interior Angles

• SSS Postulate

What is still needed to make the triangles congruent by SAS?

Which of the following theorems can be used to prove that two triangles are congruent?

• AAA Theorem

• SSA Theorem

• SAS Theorem

• All of the above

What makes ∆CDE and ∆ABE congruent?

• AAS

• SAS

• SSS

• HL

Are these two triangles congruent? If so, how?

• Yes, by SSS

• Yes, by ASA

• Yes, by AAS

• No, they are not congruent

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Cite a real life example,where congruent triangles are applied or used.​

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