2. Questions from last night’s hw (pg 434 #15-19)

3. Lesson 6.1 part three

4. Applications of the Law of Sines

5. 1. A TV antenna sits on a roof. Two 80- foot guide wires are on opposite sides of the antenna. Each wire makes a 28  angle with the ground. How far apart are the wires?

6. 2. From fire tower A, a fire with bearings N70  E is sighted. The same fire is seen from tower B at N46  W. Tower B is 75 miles east of A. How far from tower A is the fire?

7. 3. An A-frame shed is 28 feet wide. If the roof makes a 42  with the base of the shed on the ground, what is the length of the roof from the ground to its peak?

8. 4. The angles of elevation to a plane from two points A and B on level ground are 55  and 72  respectively. A and B are 2.2 miles apart and the plane is east of both points. How far is the plane from point B?

9. No homework tonight! (Bring your midterm review to class tomorrow)