February 10, 2017
7-3 Similar Triangles
Objective:IdentifysimilartrianglesusingtheAA
SimilarityPostulateandtheSSSandSASSimilarity
Theorem
HW:p.483#1-15,30,31
Warm Up: Are these polygons similar?
E
A
32º
5.5 in
118º
B
9 in
30º
12 in
30º
6 in
118º
F
8.25 in
C
18 in
32º
G
If all three corresponding angles are congruent, will the
corresponding sides always have a common scale factor?
Angle-Angle (AA) Similarity
Side-Side-Side (SSS) Similarity
February 10, 2017
Side-Angle-Side (SAS) Similarity
February 10, 2017
February 10, 2017
Adam is standing next to a building. He is 6 feet tall and the length of
his shadow is 9 feet. If the length of the shadow of the building is
322.5 feet, how tall is the building?