A surveyor stands 200m from the base of a tower on which an Ariel stands. He measures the angle of elevation to the top and bottom of the Ariel as 58 degree and 56 degree. Find the height of the Ariel.

Answer 1

Ariel is a person's name
An aerial is an antenna

recall the definition of tan(x) and you will see that the aerial's height is

200tan58° - 200tan56°