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Proving Triangles CongruentPowerPoint Presentation

Proving Triangles Congruent

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### Proving Triangles Congruent

Free powerpoints at http://www.worldofteaching.com

- AB DE
- BC EF
- AC DF
- A D
- B E
- C F

B

A

C

E

F

D

In Lesson 4.2, you learned that if all six pairs of corresponding parts (sides and angles) are congruent, then the triangles are congruent.

ABC DEF

- SSS correspondence
- ASA correspondence
- SAS correspondence
- AAS correspondence
- SSA correspondence
- AAA correspondence

The Congruence Postulates

(when possible)

Vertical Angles

Reflexive Property

SAS

SAS

Reflexive Property

Vertical Angles

SSA

SAS

(when possible)

(when possible)

ACFE

Indicate the additional information needed to enable us to apply the specified congruence postulate.

For ASA:

B D

For SAS:

AF

For AAS:

Indicate the additional information needed to enable us to apply the specified congruence postulate.

For ASA:

For SAS:

For AAS:

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