2. Given Find the length of to the nearest tenth. 1. Draw a diagram and label it. A C B 2. Draw a perpendicular from AB to C. 3. Write trig equations using h and AC. 4. Solve each equation for h. 5. Find AC.

3. An oblique triangle is a triangle that does not contain a right angle. The Law of Sines

4. c 60 0 Applying the Law of Sines

5. Stan observes that the angle of elevation of a plane is 51 0. At the same time, Paul observes it to be 34 0. They are 340 m apart. How far is each person from the plane? How high is the plane? Applying the Law of Sines

6. 340 m 51 0 34 0 A BC How high is the plane? The Solution

7. Pg. 478 #3,4,5a,6,7, 9b,10,13,17