1. Go to Chat for questions. Complete the worksheet C C x x b b a a k k b - x A A a – x B B c c

2. Law of Cosines

3. Law of Cosines

4. Law of Cosines

5. Revisiting… Q Y P 6 cm 4 cm 4 cm 6 cm X Z 8 cm 40˚ R

6. Go to Chat for questions. Find all angles and lengths. Q Y P 6 cm 4 cm 4 cm 6 cm X Z 8 cm 40˚ R