Law+of+Sines+Applications

An airplane is sighted at the same time by two ground observers who are 4 miles apart and both directly west of the airplane. They report the angles of elevation as 11° and 22°. How high is the airplane?


 * A family is traveling due west on a road that passes a famous landmark. At a given time, the bearing to the landmark is N 62 degrees W, and after traveling 5 miles farther the bearing is N 38 degrees W. What is the closest the family will come to the landmark while on the road?**

//**When the angle of elevation of the sun is 62 degrees, a telephone pole tilted at an angle of 7degrees away from the sun casts a shadow 30 feet long on the ground. To tenths place, approximate the length of the phone pole.**//