Solving problems with trigonometry

1.) From a point 100 ft from its base the angle of elevation of the top of the Arch of Septimus Severus, in Rome, Italy is 34 13'12". How tall is this monument? 2.) A guy wire connects the top of the antenna to a point on level ground 5 ft from the base of the antenna. The angle of elevation formed by this wire is 80. What is the length of the wire and the height of the antenna? 3.) A ramp leading to a freeway overpass is 470 ft long and rises 32 ft. What is the average angle of inclination of the ramp to the nearest tenth of a degree