Linear relation - when both lines are straight y intercept - when both lines intersects
slope - when it it goes down
initial value - starting intersept
90

How to solve it and what thw answer is

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 .

Precalculus question, image attached.