6. Two observers spot a flying saucer in the sky (ALIENS!). The observers are 20 miles apart, and theirangles of elevation are 13° and 17° as marked in the figure

below. (12 points) What is the flying saucer's height off the ground? Please show all work. Show both the simplified exact answer, as well as your estimated solution, rounded to two decimal places.

Fig: 1

Fig: 2

Fig: 3