1. The airplane is sighted at same time by two ground observers who are 3 miles apart and both directly West of airplane. They report angles of elevation as 13degree and 20degree. How high is airplane?
2. Famous golfer tees off on long straight 468 yard par 4 and slices his drive 18 degree to right of line from tee to home. If drive went 282 yards, how many yards will golfer second shot have to be to reach hole?