a vertical flagpole, AB, has a height 42m
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Given : flagpole, AB, has a height 42m
BCD lie on ground and is straight line
Angle of elevation from point C = 48°
To Find : Distance between C & D
Solution:
tan ∠D = AB/ BD
=> tan 48° = 42/ BD
=> BD = 42/tan 48°
=> BD = 37.8 m
Segment addition postulate
BC + CD = BD
=> 24 + CD = 37.8 m
=> CD = 13.8 m
Distance between C & D = 13.8 m
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Answer:
Distance C-->D = 13.8metres
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