Question

APPLICATIONS OF TRIGONOMETRY
205
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. 9.13).
Find the distance travelled by the
balloon during the interval.
88.2 m
600
30°
30
Fig. 9.13​

Answer 1

Step-by-step explanation:

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