"From a point 100 ft in front of a public library, the angles of elevation to the base of a flagpole and the top of the pole are 28degrees and 39degrees 44', respectivly. The flagpole is mounted on the front of the library's roof. Find the height of the flagpole." this is a question from my precaculas book and i dont know how to draw a digram of the info it provides or how to go about solving it???help plzz even if it isnt by 2marrow i would like to know how to do it thx