1. 5.5
Law of Sines

2. What you’ll learn about
Deriving the Law of Sines
Solving Triangles (AAS, ASA)
The Ambiguous Case (SSA)
Applications
… and why
The Law of Sines is a powerful extension of the triangle
congruence theorems of Euclidean geometry.

3. Law of Sines

4. Example Solving a Triangle Given Two Angles and a Side

5. Example Solving a Triangle Given Two Angles and a Side

6. Example Solving a Triangle Given Two Angles and a Side

7. Example Solving a Triangle Given Two Sides and an Angle (The Ambiguous Case)

8. Example Solving a Triangle Given Two Sides and an Angle (The Ambiguous Case)

9. Example Solving a Triangle Given Two Sides and an Angle (The Ambiguous Case)

10. Example Solving a Triangle Given Two Sides and an Angle (The Ambiguous Case)

11. Example Solving a Triangle Given Two Sides and an Angle (The Ambiguous Case)

12. Example Solving a Triangle Given Two Sides and an Angle (The Ambiguous Case)

13. Example Solving a Triangle Given Two Sides and an Angle (The Ambiguous Case)

14. Example Finding the Height of a Pole
15ft
15º
65º B A C

15. Example Finding the Height of a Pole
15ft
15º
65º B A C