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Mathematics, 09.04.2020 22:30 kahliey

An observer (O) is located 900 feet from a building (B). The observer notices a helicopter (H) flying at a 49° angle of elevation from his line of sight. How high is the helicopter flying over the building? You must show all work and calculations to receive full credit.

An observer (O) is located 900 feet from a building (B). The observer notices a helicopter (H) flyin

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