trignometry
Geometry
Level
pending
A man walking due north,observes that the elevation of a balloon which is due east of him moving towards north west,is then 60.after he has walked 400 metres the balloon is vertically above his head,find the height of the balloon supposing it to have always remained the same.
3000
200
400(1.732......)metres
5999
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1 solution
due east means the angle generated before start of the person in 60 degree.and he walks for 400mts. hence tan 60 *440 will give the height of the ballon