Question

The angles of depression of the top and the bottom of a 8 m tall building from the top of a multi-storeyed building are 30º and 45º, respectively. Find the height of the multi-storeyed building and the distance between the two buildings.

Answer 1

In Fig.11.47, PC denotes the multi-storeyed building and AB denotes the 8m tall building. We are interested to determine the height of the multi-storeyed building, i.e,PC and the distance between the buildings, i.e., AC.