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Homework Help: Angle of Elevation

  1. Apr 11, 2012 #1
    1. The problem statement, all variables and given/known data
    There is a flag mounted at the top of a building. The angle of elevation from a point 200 ft. to the flagpole's base is 70°, and the angle of elevation from the same point to the top of the flagpole is 82°, find the height of the flagpole.

    2. Relevant equations
    Law of Sines? SinA/a = SinB/b

    3. The attempt at a solution
    I don't really know how to set this problem up...could somebody point me in the right direction? I'm not asking for an answer, just some guidance. Please..
  2. jcsd
  3. Apr 11, 2012 #2

    Filip Larsen

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    Gold Member

    Try make a diagram of the situation. Can you identify any right-angled triangles?
  4. Apr 11, 2012 #3


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    Science Advisor
    Homework Helper

    Hi AddversitY! :smile:
    Nothing so complicated …

    you have two right-angled triangles, just use ordinary trig. :wink:
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