Observer's 82805

An airliner currently flying over a location 2,400 m away from the observer's location is seen at an elevation angle of 26° 20'. At what height does the plane fly?

Correct answer:

y =  1187.8917 m

Step-by-step explanation:

x=2400 m α=26°20=26°+6020°=26.3333°26.3333  tan α = y:x  y=x tanα=x tan26.333333333333° =2400 tan26.333333333333° =2400 0.494955=1187.892=1187.8917 m



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