The angle of elevation of a top of a hill at the foot of the tower is 60* and the angle of elevation of the top of the tower from the foot of the hill is 30*. If the height of the tower is 40m, find the height of the hill.

Asked by sandra j maria | 21st Jan, 2014, 07:51: PM

Expert Answer:

Let the height of the hill, CD be  h  m.

Height of the tower, AB = 40 m

In triangle BCD:
 
Thus, the height of the hill is 120 m.

Answered by  | 21st Jan, 2014, 11:32: PM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.