C & D is an observation post on the same horizontal ground at the foot A of a vertical tower AB, the tower is 18cm due north and 24m east of C. the angle of elevation of B from D is equals to 35\deg .give the diagram illustration, cal. to 3 sig. fig. height AB, Distance CD, angle of elevation of B from C and bearing of C & D

Answer 1

I put C at the origin, but where is D?

Answer 2

also, once D is located, you want the bearing of C & D -- from where?