11. Find the distance between two points A and B on opposite sides of – InterviewSolution

1.	11. Find the distance between two points A and B on opposite sides of a river, a surveyor runs alonga line AC I AB. By measurement, he finds AC = 200 m and Z ACB = 45°.
Answer» tanx=AC/AB; Tan45=AC/AB 45=200/AB; 45 AB=200; AB=200/45=200/1=200 cm

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