tashannalashae9536 tashannalashae9536
  • 06-01-2018
  • Mathematics
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The angle of elevation from ground level to the top of a building is 24 degrees. if the observer is standing 280 feet from the building, how tall is the building

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kritter1
kritter1 kritter1
  • 06-01-2018
Assuming the given scenario is a right angle triangle; (it helps to draw a diagram of the person and what they are seeing to better understand this question). 

tanФ=opp/adj 
tan(24)=(height of building)/280
280×tan(24)=height of building 
124.66 m = height of building. 

Hope I helped :) 
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