A Hang Glider cruises above the Parthenon at a constant altitude at 12 M/S. She looks down to the top of the Parthenon with an angle of depression of 15o. One minute later, she looks down at an angle of 52o. If the Parthenon is 13.72 m tall and the building sits 150 m above sea level. Approximately, how many meters above sea level is the glider?



Is it: 408 m? 512 m? or 665 m?