1. Law of Sines AB C a c b h Warm-Up: Find two different expressions for h, one using angle A and one using angle B Objective: Be able to use the law of sines to solve for missing pieces of non-right triangles. TS: Explicitly assessing information and drawing conclusions.

2. Law of Sines For any triangle ΔABC,

3. Solve the triangle AB C a c 17.2 97° 42°

4. Ambiguous Case (SSA) Solve the triangle given a = 22in, b = 12in and A = 42°

5. Ambiguous Case (SSA) Solve the triangle given a = 15, b = 25 and A = 85°

6. Ambiguous Case (SSA) Solve the triangle given a = 12m, b = 31m and A = 20.5°

7. Area of an Oblique Triangle AB C a c b

8. Find the Area of the triangle Find the surface area of a triangle table top if two edges are 96inches and 5feet and the included angle is 100°