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Math Help - I need help

  1. #1
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    I need help

    Distance from the ground to the top of a building; The angle of depression from the top of a building to a point on the ground is 32 degrees 30'. How far is the point on the ground from the top of the building if the building is 252m high?
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  2. #2
    Eater of Worlds
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    Just use the law of tangents.
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  3. #3
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    Can you show me the complete solution i am kind of confused.
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  4. #4
    Eater of Worlds
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    An angle of depression goes from the horizontal down.

    \frac{y}{x}=tan(32.5)

    But y=252

    Solve for x.

    Or 252tan(57.5)
    Last edited by galactus; November 24th 2008 at 06:38 AM.
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