7.2 Similar Polygons Objective:  Identify and use similar polygons. 7.2 Similar Polygons 2011 January 07, 2011

advertisement
7.2 Similar Polygons 2011
January 07, 2011
7.2 Similar Polygons
(and a surprise)
Objective: Identify and use similar polygons.
Feb 6­9:55 AM
1
7.2 Similar Polygons 2011
January 07, 2011
Warm­up
Feb 6­10:02 AM
2
7.2 Similar Polygons 2011
January 07, 2011
What does it mean to be similar?
Feb 6­10:05 AM
3
7.2 Similar Polygons 2011
January 07, 2011
How can we tell if two polygons are similar ?
Two polygons are similar if corresponding angles are congruent and corresponding sides are proportional.
Feb 7­1:57 PM
4
7.2 Similar Polygons 2011
January 07, 2011
Using Similarity
This is called a similarity statement.
Feb 7­2:07 PM
5
7.2 Similar Polygons 2011
January 07, 2011
Determining if Two Polygons are Similar
Feb 7­2:08 PM
6
7.2 Similar Polygons 2011
January 07, 2011
Using Similarity
Feb 7­2:25 PM
7
7.2 Similar Polygons 2011
January 07, 2011
Homework
Pg. 375 # 1­6, 7­15 odd, 18,33,35
http://www.pbs.org/wgbh/nova/physics/hunting­hidden­dimension.html <redir.aspx?C=
784c5439f8e44fe99f630b46c91d0f6c&URL=http%3a%2f%2fwww.pbs.org%2fwgbh%2fnova%2fphysics%2fhunting­hidden­
dimension.html>
it's
Now time!!!!!
movie Feb 7­2:30 PM
8
Download