1. Similarity in Triangles
AMSTI
Geometry Year 1
Day 4

2. Counterexamples Revisited
Homework #9
Statement 1
If two triangles have their
corresponding angles equal,
then the triangles are similar.
Statement 3
corresponding sides
proportional, then the triangles
are similar.
Day 9 Activity
Statement 1
If two polygons have their
corresponding angles equal,
then the polygons are similar.
Statement 2
corresponding sides proportional,
True
False
False
True

3. Homework #10

4. Are Triangles Similar? Corresponding sides are in proportion. (SSS)
Two pairs of congruent triangles.
(AA)
Two pairs of corresponding congruent angles and the side between them in proportion
(ASA)