from the top of a 7m high building the angles of elevation of the top of a cable tower is 60 degree and the angle of depression of its foot is 45 degree determine the height of the tower
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7√3 m
Step-by-step explanation:
let distance b/w tower and building be AB = 'x' & height of tower be 'h'
tan 45° = 7/x => x = 7m
tan 60° = h / 7
√3 = h / 7 => h = 7√3 m
or 12.124 m
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