1. Identifying parts of a right triangle. Adjacent side to angle θ Triangle Hypotenuse Opposite side to angle θ θ

2. 4 3 5 θ Find: leave as a fraction #1

3. 4 3 5 θ Find: leave as a fraction #2

4. 8 15 ? θ Find: leave as a fraction θ is also called the angle of elevation: think of an eye looking up. #3

5. 25 24 ? θ Find: leave as a fraction θ is also called the angle of depression: think of an eye looking down. #4

6. ? 20 29 θ Find: leave as a fraction #5 Is θ the angle of depression ? : think of an eye looking down. Soh Cah Toa

7. ? 9 18 θ Find: leave as a fraction #6 Is θ the angle of depression ? : think of an eye looking down. Soh Cah Toa

8. a b c = 10 72⁰ Find: leave as a fraction a = b =  A = #7 72⁰ is the angle of ____? Soh Cah Toa

9. a b = 12 c 58⁰ Find: leave as a fraction a = c =  B = #8 58⁰ is the angle of ____? Soh Cah Toa

10. b = 4 a c = 9  B #9 Find: leave as a fraction a =  A =  B =  A Soh Cah Toa