Upcoming SlideShare
×

# 11.1 And 11.2 Notes

393 views
345 views

Published on

Published in: Technology, Education
0 Likes
Statistics
Notes
• Full Name
Comment goes here.

Are you sure you want to Yes No
• Be the first to comment

• Be the first to like this

Views
Total views
393
On SlideShare
0
From Embeds
0
Number of Embeds
13
Actions
Shares
0
2
0
Likes
0
Embeds 0
No embeds

No notes for slide

### 11.1 And 11.2 Notes

1. 1. Geometry Warm up: pg. 570 # 18-21
2. 2. 11.1 Similar Polygons pg. 563 -570 RECALL from chapter 4 -- Congruency.. You learned specifically that TRIANGLES are ≅ if they meet certain criteria: SAS SSS ASA AAS (AAA and ASS or ASS backwards did NOT work) What did you have to do? -Compare 2 triangles -See if pieces matched in a specific order -Declare them ≅ -Then the remainign pieces were CPCTC
3. 3. This time we are not concerned about ≅ but we are concerned about similarity! 2 figures are congruent if they are the same exact size and shape 2 figures are similar they are the same shape but their sides are proportional (think Xerox machine)
4. 4. Polygons are similiar IF and ONLY IF their corresponding angles are ≅ AND their sides are proportional!