Path of orbiting satellite passes over two tracking stations,
.
Two stations are
apart.
The angle of elevation at
measure tone
.
(a) Find the distance of the satellite from station
.

Angle of elevation is
.
Substitute 

The distance of the satellite from station
is 
(b)
\Find the how high is the satellite above the ground.
\
Substitute
in the angle of elevation.

The high is the satellite above the ground is 