Guys, i forgot this shape's name, please help im in test its ez

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

Abird on top of a 200 ft bridge tower sees a man standing on the lower part of the bridge (which is 50 ft above the ground). the angle of depression from the bird is 26 ̊. how far is the man from the base of the bridge tower? with explanation and pictures .

If value of cos330° is √3/2 then find tan165°.