9. From a boat, the angle of elevation to the top of a lighthouse is 5". The tower is 50 ft. high. Find the distance from the boat to the lighthouse. Round your answer to the nearest tenth.* *Do not include a comma in the answer. Distance= ft. 10. From the top of an offshore oil rig that is 199 ft. above sea level, the angle of depression of a passing ship is 15". Find the distance between the ship and the top of the oil rig. Round your answer to the nearest tenth. Distance= ft.