Question

A 1.2 m tall girl spots a balloon moving
with the wind in a horizontal line at a
height of 88.2 m from the ground. The
angle of elevation of the balloon from
the eyes of the girl at any instant is 60° .
After some time, the angle of elevation
reduces to 30° (see Fig. 9.14). Find the
distance travelled by the balloon
during the interval.​

Answer 1

Answer:

89.4 is the distance of ballon

Answer 2

Refer to this attachment