1. Triangles in Real Life

2. Triangles in Real Life

3. Triangles in Real Life

4. Triangles in Real Life

5. Today’s Objectives Review right triangle trigonometry and triangle postulates

6. Today’s Objectives Review right triangle trigonometry and triangle postulates Use right triangle trigonometry to develop the law of cosines

7. Today’s Objectives Review right triangle trigonometry and triangle postulates Use right triangle trigonometry to develop the law of cosines Use the law of cosines to solve problems

8. Review A B C

9. Review A c = 10 cm B θ = ? C a = 8 cm

10. Review A c = 10 cm b = ? B C a = 8 cm

11. Go to Chat on the Main page. Please pause for discussion. A c = 10 cm b = ? B θ = ? C a = 8 cm