From the top of a 7 m high building, the angle of elevation of the top of a cable tower
60° and the angle of depression of its foot is 45º. Determine the height of the tower of a 75 m high lighthouse from the sea-level, the angles of
Share
From the top of a 7 m high building, the angle of elevation of the top of a cable tower
60° and the angle of depression of its foot is 45º. Determine the height of the tower of a 75 m high lighthouse from the sea-level, the angles of
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
Step-by-step explanation:
In ΔABE,
tan60
o
=
AB
h
h=AB
3
....(i)
In ΔABC,
tan45
o
=
AB
7
AB=7 ...(ii)
By equation (i) and equation (ii)
h=7
3
So, height of tower is =h+7=7(
3
+1)
Answer:
thanks ur my 1000 fol lower
have nice day