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the distance of a nearby tower from himHe stands at a point A in front of the towerC and spots a very distant objeet O in linewith AC. He then walks perpendicular toAC up to B, a distance of 100 m, and looksat O and C again. Since O is very distantthe direction BO is practically the same asAO: but he finds the line of sight of C shiftedfrom the original line of sight by an angle θ40 (0 is known as 'parallax') estimatethe distance of the tower C from his originalposition A |
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