Posted by marie darling on Friday, March 29, 2013 at 4:59pm.
A radio tower is located 450 feet from a building. From a window in the building, a person determines that the angle of elevation to the top of the tower is 29 degrees and that the angle of depression to the bottom of the tower is 22 degrees. How tall is the tower?

precalculus  Steve, Friday, March 29, 2013 at 5:07pm
the height h is
h = 450tan29° + 450tan22° = 431

precalculus  marie darling, Friday, March 29, 2013 at 5:11pm
thank you!!

precalculus  Steve, Friday, March 29, 2013 at 5:15pm
once you draw a diagram and label the known data, the solution just becomes clear.
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