Math CentralQuandaries & Queries


Question from Micah, a student:

A flagpole stands vertically at the edge of a roof of a building 200 ft high. the angle of elevation of the pole from a point 100 ft from the bottom of the building is 67 degrees. Find the length of the pole in meters.

Hi Micah,

I drew a diagram.


I let h be the height of the flag pole. In the triangle in the diagram what trig function relates the height (200 + h ft) the base (100 ft) and the angle with measure 67 degrees? Use this trig function to find h.


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