0:55 Introduction to 45*-45*-90* Triangles
1:20 Example 1
1:51 Example 2
2:38 Summary of 45*-45*-90* Triangles
3:09 Example 3
3:56 Example 4
5:02 Introduction to 30*-60*-90* Triangles
6:07 Example 1
7:14 Example 2