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Transcript
4.5 ASA and AAS
Ways to prove 2 triangles congruent:
1) Definition of congruent figures (6 facts).
2) SSS (3 facts).
3) SAS (3 facts).
4) HL (3 facts)
5) ASA (3 facts).
6) AAS (3 facts).
The included side
is a side shared
by the two named
angles.
a. No. AAA does not
prove two triangles
congruent.
b. The triangles
share a side
(reflexive prop.).
The triangles are
congruent by
AAS.
c. Vertical angles
are congruent.
The triangles
are congruent
by ASA.
Geometry
• page 252(1-13, 18-20)
• page 252 (14-17, 23-28, 31-34, 36-42 ev)
• review
• Test 4.1 - 4.5