Problema Solution

a boy standing 70 meter away from a flag post observes that the angle of elevation of the top and bottom of a tower on the top of the flag post are 57° and 69° respectively. find the height of the flag.

Answer provided by our tutors

let 'h' represent the height of the flag


h = 70 tan(69) - 70 tan(57)


h = 70(tan(69) - tan(57))


h = 74.57 m


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the height of the flag is 74.57 m.