Question

from door top of a 7m high building the angle of elevation of the top of a cable Tower is 60 degree and the angle of depression of its foot is 45 degree determine the height of the tower

Answer 1

there is a 7m long top in which a cable Tower extends from it agrees that the door top is equal to the length to the length of the person is standing so 7m to get the height of the tower you whole thing you will need to get tan 60 tan 60 is equal to root 3 is equal to x by 7 so x is equal to 7 root 3