1. 7.2; 9-29 Odd 9. See board 11. 13. 15. 17. x=30, y=14 19. x=8, y=20
in. by 73.5 in ft. 4 in. by 6 ft 1.5 in.
23. 80
25. 15
27. 6:7
29. No

2. 7.3 Showing Triangles are Similar: AA
Goal: Show that two triangles are similar using the AA Similarity Postulate.

3. Postulate 15 Angle-Angle Similarity Postulate (AA)
If two angles of one triangle are congruent to two angles of another triangle, then the two triangles are similar. K L Y Z J X

4. 1. Use the AA Similarity Postulate

5. 2. Use the AA Similarity Postulate

6. Use the AA Similarity Postulate

7. 3. Use Similar Triangles

8. Use Similar Triangles

9. Homework
7.3 pg. 375
8-30 Even