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Mekhanik [1.2K]
3 years ago
11

An observer is located at 900 feet from a building. The oberver notices a helicopter flying at a 49° angle of elevation from his

line of sight. How high is the helicopter flying over the building
Mathematics
1 answer:
klio [65]3 years ago
5 0

tan(49)=h/900 or h = 900 x tan(49)

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