Mathematics, 24.03.2021 18:40, aidentrooper8629

An observer (O) is located 900 feet from a building (B). The observer notices a helicopter (H) flying at a 49 degree 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. (10 points)

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