SOLUTION: **im just wondering if someone can help me out with this trig. problem...i really dont know what to do and its due tomorrow!... thanks A window in a building is 18m above the gro

Question 25075: **im just wondering if someone can help me out with this trig. problem...i really dont know what to do and its due tomorrow!... thanks
A window in a building is 18m above the ground. From this window, the angle of elevation to the top of the building across the street is 40degrees and the angle of depression to the bottom of the building across the street is 42degrees. How tall is the building across the street? Include a labelled diagram with your solution.
Answer by Paul(988) (Show Source): You can put this solution on YOUR website!
--------------|
-----------|
-------|
---| 40 degrees (angle of incline)
______________________Theta
---| 42 degrees (angle of depression)
-------|
----------|
-------------|
Use tangent.

Theta = 19.3

Hence the building must be 19.3m tall.
Paul.

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