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Mathematics, 31.03.2021 19:40 jjj1931

A small airplane is planning to land at an airport. It is at elevation 2,500 feet and descends at an angle of depression of 30 degrees. When it reaches elevation 1,000 feet, it changes its angle of depression to 20 degrees until it reaches the airport runway. How far was it initially (horizontal distance) from the airport?

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