Identifying Similar Triangles

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Transcript Identifying Similar Triangles

Similar Triangles
Section 6-3
AA Similarity
If 2 angles of one triangle are
congruent to 2 angles of another
triangle, then the triangles are
similar.
ABC ~ DEF
B
A
E
C
D
F
SSS Similarity
If the measures of the
corresponding sides of 2 triangles
are proportional then the triangles
are similar.
ABC ~ DEF
B
4
A
E
6
2
C
D
3
F
SAS Similarity
If the measures of 2 sides of a triangle
are proportional to the measures of 2
corresponding sides of another triangle
and the included angles are congruent,
then the triangles are similar
B
ABC ~ DEF
E
6
A
3
C
D
4
F
Similarity of triangles is
reflexive, symmetric, and
transitive.
Joke Time
Why was the elephant standing
on the marshmallow?
He didn’t want to fall in the hot
chocolate!
How do you know when an
elephant is under your bed?
Your nose touches the ceiling.