29. A 1.2. m tall girl spots a balloon movingwith the wind in a horizontal line at aheight of 88.2 m from the ground. Theangle of elevation of the balloon from theeyes of the girl at any instant is 60°. Aftersometime, the angle of elevation'reducesto 30 (see fig-). Find the distance travelledby the balloon during the interval.60°Use 3 1.73]1.2 m

29. A 1.2. m tall girl spots a balloon movingwith the wind in a horizo

1.	29. A 1.2. m tall girl spots a balloon movingwith the wind in a horizontal line at aheight of 88.2 m from the ground. Theangle of elevation of the balloon from theeyes of the girl at any instant is 60°. Aftersometime, the angle of elevation'reducesto 30 (see fig-). Find the distance travelledby the balloon during the interval.60°Use 3 1.73]1.2 m
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