From an aeroplane flying, vertically above a horizontal road, the angles of depression of two consecutive stones on the same side of the aeroplane are observed to be 
and 
respectively. The height at which the aeroplane is flying in 
is
Text Solution
Verified by ExpertsB
: Let 
be an aeroplane and 
is a horizontal road. Distance of two consecutive stones 
is 
and 
is 
on the same side of the aeroplane. Let also 
be the height of aeroplane, 
is 
and 
is 
.
We have, in 
i.e., 
or 
(i)
and in 
i.e., 
, or 
(ii)
Put the value of 
from (i) in (ii)
.
──────────────────────────────────────────────────────────────────────────────────────────
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems